The function of the joint capsule ( articular capsule ) is to produce synovial fluid.
The joint pill presents passive joint stability, proscribing the joint range of motion, mostly via the tough, fibrous outer layer. The capsule also affords nutrients and lubrication to the joint via the internal synovial layer.
The articular capsule additionally includes two layers
The outer fibrous membrane which could incorporate ligaments and The internal synovial membrane that secretes the lubricating, shock-soaking up, and joint-nourishing synovial fluid.The joint pill, ligaments, and tendons serve to stabilize the joint, distribute the biomechanical load at the joint and shield the joint through proscribing its regular variety of movement.
It includes two layers, an outer fibrous layer and an inner layer known as the synovial membrane. also called the synovium, it includes a synovial lining and the assisting stromal tissue. It produces synovial fluid that lubricates the joint. The fibrous outer layer of the articular tablet improves joint balance.
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The function of the joint capsule (Articular Capsule) is to produce Synovial Fluid.
Synovial Fluid is viscous fluid present in cavity of Synovial Joints. It comprises of white egg like consistency. This fluid reduces friction between the joints. Synovial fluid that lubricates the joint.
The Capsule affords nutrients and lubrication to the joint via the internal synovial layer.
The articular capsule has two layers:
Outer fibrous membrane- Incorporate ligaments- Improve joint balance
Internal synovial membrane -Secretes the lubricating- shock-soaking up
-joint-nourishing synovial fluid.
An Outer fibrous layer and an Inner layer is known as the Synovial Membrane. Also called the Synovium, it includes a Synovial lining and the Assisting Stromal Tissue.
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What mechanisms contribute to the diversity of tcr molecules? which of these mechanisms contributes the most to the diversity?
Junctional diversity (random addition and removal of nucleotide between join ends). TCR diversity is generated by the random and rearrangement of V & J segment of TCR alpha and V ,D,& J segment of TCR beta jeans in the thymus.
Junctional diversity which is the DNA sequence variation introduce by inappropriate joining of jeans segments during the process of recombination. This mechanism of generating junctional diversity which discussed the context of B cells & T cells
In which different variable jeans segment of TCRs and immunoglobulins and rearranged the segments. this diversity form the imprecise joining of segment and form the nucleotide to the DNA sequence on specific site.
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Eric has blue eyes. Because the gene for blue eyes is recessive. What must be true of eric regarding this trait?
Answer: He has homozygous
Explanation:
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A writer’s choice of words, or diction, mostly affects an essay’s __________. a. organization b. style c. transitions d. length
Homology is the existence of ______________ancestry between a pair of structures, or genes, in different species.
Homology represents the existence of shared ancestry between a pair of structures or genes in different species.
Homology basically shows the similarity which can exist between two different species. The structures which come from a common ancestor but serve completely different functions in different species are known as the homologous structures.
A very common example of homologous structure is arms of primates, the forelimbs of the vertebrates, wings or birds, flippers of whale and the forelegs of dogs. These modifications in these structures is due to adaptations for different purposes. Homologous genes are the ones which have been inherited by two different species but from a common ancestor.
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The agent of microevolutionary change that is most likely to introduce genetic variation from another population is referred to as ______________.
The agent of microevolutionary change that is most likely to introduce genetic variation from another population is referred to as Gene Flow.
The movement of genes into or out of a population is referred to as gene flow. Such movement may result from the movement of gametes or from the migration of specific organisms that reproduce in their new populations (e.g., as a consequence of pollen transfer among plants).The phrase "gene flow" refers to the processes through which genes are transferred from one group to another. Gene flow in anthropology more broadly refers to allelic change brought on by people moving from one place to another.Gene flow has the effect of reducing genetic diversity among populations, inhibiting or delaying the development of populations in various geographic locations into distinct species of the disease.learn more about gene flow here:https://brainly.com/question/2698940
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The more strongly men identify with stereotypical ideas about masculinity, the more likely they are to?
The more strongly men identify with stereotypical ideas about masculinity, the more likely they are to avoid preventive health care.
In hospital care, the care, comfort, and quality of life of a patient who is nearing the end of life are the main priorities. The phrase "comfort care" is frequently used to refer to hospital care; the two terms are interchangeable. The phrase describes the objective of care, which is to maintain the patient's "comfort" by controlling their pain and symptoms, reducing their worry, and enhancing their quality of life. In Western culture, characteristics like strength, courage, independence, leadership, and aggressiveness are traditionally considered as being associated with men. Social standards of masculinity are as follows: The concept of "masculinity" refers to the duties, actions, and characteristics that are deemed proper for boys and men in a certain society. Instead of being determined by biology, masculinity is produced and defined socially, historically, and politically.Learn more about stereotypical ideas here brainly.com/question/23317204
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Eukaryotic cells have their chromosomes packaged in the ________. Eukaryotic cells have their chromosomes packaged in the ________. nucleus centriole nucleolus Golgi apparatus
Eukaryotic cells have their chromosomes packed in the nucleus.
Eukaryotic chromosomes are located inside the cell's nucleus. The principal function that distinguishes a eukaryotic cell from a prokaryotic cell is the presence of a membrane-bound nucleus. This nucleus is the “control center” of the cell that stores all of the cellular's genetic records, or DNA.
In eukaryotes, however, genetic material is housed inside the nucleus and tightly packaged into linear chromosomes. Chromosomes are made of a DNA-protein complex called chromatin which is prepared into subunits called nucleosomes.
All eukaryotes have a well-described nucleus that consists of DNA. DNA is a negatively charged polymer, packed compactly inside the chromatin, engirdling the histone proteins, a ball of positively charged proteins. The octamer of histone proteins is wrapped with a DNA helix, giving rise to a structure known as nucleosomes.
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which of the following statements is true about Charles Darwin? A. He supported Lamarck’s theory of evolution. B. He believed evolution occurred in each individual organism. C. None of these. D. He understood natural variation occurs from mutations in DNA.
Answer:
He supported Lamarck’s theory of evolution.
Charles Darwin was a scientist who discovered the theory of evolution. He understood that variation occurs through mutations, the correct answer is option D.
Natural selection, which he explained, explains how species change over time. Darwin understood that variation within a population is essential for evolution to occur, despite not having knowledge of DNA or genetics.
In "On the Origin of Species," Darwin outlined how variation within species results from random variations in individual traits. Future generations may inherit and carry on these variations. Positive variations in a population may increase in frequency over time, resulting in the emergence of new species.
Despite not knowing about DNA mutations, Darwin's understanding of variation laid the groundwork for our current understanding of genetics and the role that mutations play in driving evolutionary change.
Therefore, the correct answer is option D.
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What cell structures and pigments are involved in photosynthesis? (check all that apply).
Cell structure like Chloroplasts are involved in Photosynthesis and Primarily Chlorophyll-a Pigment is involved in Photosynthesis.
Photosynthesis is a process of converting light energy into chemical energy to produce sugar required for the survival of life on this planet.
It involves Cell structures like Chloroplasts containing the stroma, grana and the thylakoids. Chloroplasts is a double membrane bound structure containing ribosomes. It is green in color and is responsible for trapping of light energy through the two reaction centres present in it namely PSI and PSII.
Pigments involved in Photosynthesis:
Chlorophyll-a: Primary pigment which forms a Part of Reaction centre Chlorophyll-b CarotenoidsXanthophyllsChlorophyll-b, Carotenoids and Xanthophylls form a part of Light Harvesting Complex (LHC), i.e. they trap the light energy and pass it towards the Reaction Centre.
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Coniferous forests evolved due to earth’s continents assuming their modern configuration. please select the best answer from the choices provided t f
True, Coniferous forests evolved due to earth’s continents assuming their modern configuration.
What are Conifers?
Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta, also known as Coniferophyta or Coniferae.The great majority are trees, though a few are shrubs. Examples include cedars, Douglas-firs, cypresses, firs, junipers, kauri, larches, pines, hemlocks, redwoods, spruces, and yews.The evolution of the Coniferous forests:
The earliest conifers appear in the fossil record during the Late Carboniferous (Pennsylvanian), over 300 million years ago.The most primitive conifers belong to the paraphyletic assemblage of "Wallachian conifers", which were small trees, and probably originated in dry upland habitats. The range of conifers expanded during the Early Permian (Cisuralian) to lowlands due to increasing aridity. Wallachian conifers were gradually replaced by more advanced voltzialean or "transition" conifers. Conifers were largely unaffected by the Permian–Triassic extinction event and were dominant land plants of the Mesozoic era. Modern groups of conifers emerged from the Voltziales during the Late Permian through Jurassic. Conifers underwent a major decline in the Late Cretaceous corresponding to the explosive adaptive radiation of flowering plants.To learn more about Conifers: https://brainly.com/question/831270
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You are performing a endospore stain on a gram-positive bacteria and that is not endospore forming. What will this look like at the end of the stain?
performing a endospore stain on a gram-positive bacteria and that is not endospore forming. at the end of the stain it will look pink due to absence of any endospores.
Some bacteria create bacterial endospores, extremely resistant, metabolically dormant entities as a defense mechanism against unfavorable environmental conditions. Until conditions are right, the bacteria can stay in this suspended state and eventually germinate and go back to their vegetative state.By heating the bacterial emulsion, the Schaeffer-approach Fulton's forces a primary stain, malachite green, into the spore. Vegetative cells may be decolored with water since malachite green is water soluble and has a poor affinity for cellular matter. After that, safranin is used to counterstain any decolored cells. Vegetative cells will be pink and endospores will be a dark green color after staining.However due to absence of endospores, the counterstain will not produce any distinguish features and the slide would appear pink.learn more about endospore here:
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Water channels in cell membranes formed by __________ are a result of adh signaling in the kidneys.
Water channels in cell membranes formed by aquaporins are a result of ADH signaling in the kidneys.
What is ADH signaling in kidneys?The main hormone in charge of maintaining tonicity homeostasis is ADH. Its release is most strongly triggered in hyperosmolar conditions. The neurons of the hypothalamus store ADH. These neurons have osmoreceptors that respond to variations in blood osmolarity as little as two mOsm/L and are incredibly receptive to them .As a result, ADH is secreted in response to modest increases in osmolarity. Then, ADH works largely in the kidneys to boost water absorption, bringing the osmolarity back to normal.What are Aquaporins?Aquaporins, also known as water channels, are channel proteins that produce pores in the membrane of living cells, primarily aiding the passage of water between cells. They are part of a wider family of important intrinsic proteins.
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Organisms are motivated to achieve and maintain an ideal or optimal level of stimulation that maximizes their performance according to ________ theory
Organisms are motivated to achieve and maintain an ideal or optimal level of stimulation that maximizes their performance according to arousal theory.
How are organisms motivated ?
Animals are highly clever, can read body language, and have personalities. They are driven by physiological requirements including thirst, hunger, sex, company, air, and rest.
Hunger, thirst, the search for pleasure, and the avoidance of suffering are examples of biological reasons. The ambitious idea of Clark Hull was an early attempt to define how these drives influence animal behavior. Hull adapted the idea of biological regulation or homeostasis.
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______________________ spiral movement of growing plants, especially the main stem. group of answer choices twining nodding contraction mutations
Nutation is the bending movement of growing plants, especially the main stem. Thus, option D is correct.
What is nutation?Nutation is defined as bending movements of stems, leaves, roots and other plant organs due to difference in growth in different parts of plant organ.
Nutation is also known as circumnutation and it is a particular class of nastic movements during which organ of plants bends in different directions, resulting in swinging motion.
Plant such as monocotyledons and dicotyledons shows plant nutation.
Nutation is the that takes place when force is absorbed at core and other parts in the direction of gravitational forces.
Therefore, nutation is the spiral movement of growing plants, especially the main stem.Thus, option A is correct.
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What effects do regulations on harvesting at‑risk fish species have on marine fisheries?
There are certain rules and regulations guided by the law on harvesting at-risk fish species. These regulations have different effects on marine fisheries.
Why are the regulations on harvesting at-risk fish species made?These regulations are made so that:
The native resources of that marine environment can be protected.
As per the rules and regulations, no exploitation would be done with these resources and a sustainable approach for fisheries should be considered.
The fishing qualities can be enhanced.
Better fishing techniques should be used to get high yields with less harm to the fish species.
Healthy ecosystems can be maintained.
With sustainable practices as per the rules and regulations, a healthy balance in the ecosystem can be achieved.
The entry of exotic species into the water can be controlled.
Exotic species are those fishes that are foreign and harmful to the native species.
Public safety can be prioritized
Heavy metals such as arsenic, lead, etc. are found in such marine environments so to protect the public from these heavy metals regulations have been made.
So, the effects of these regulations on marine fisheries are
Highly equipped techniques for fisheries.Maintained ecosystem.Protection of the oceans.To know more about marine marine fisheries visit:
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There are certain rules and regulations guided by the law on harvesting at-risk fish species. These regulations have different effects on marine fisheries.
Why are the regulations on harvesting at-risk fish species made?These regulations are made so that:
The native resources of that marine environment can be protected
As per the rules and regulations, no exploitation would be done with these resources and a sustainable approach for fisheries should be considered.
The fishing qualities can be enhancedBetter fishing techniques should be used to get high yields with less harm to the fish species.
Healthy ecosystems can be maintainedWith sustainable practices as per the rules and regulations, a healthy balance in the ecosystem can be achieved.
The entry of exotic species into the water can be controlledExotic species are those fishes that are foreign and harmful to the native species.
Public safety can be prioritizedHeavy metals such as arsenic, lead, etc are found in such marine environments so to protect the public from these heavy metals regulations have been made.
So, the effects of these regulations on marine fisheries are
Highly equipped techniques for fisheriesMaintained ecosystemProtection of the oceansTo know more about marine fisheries visit:
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The ______ is a sequence of dna that signals the start of a gene and also which of the two strands of dna is the template for transcription.
Which of the following would maximize secondary productivity?
A. Selective breeding allows farmers to produce livestock with faster growing rates and increased production of milk, eggs, etc.
B. Removing factors that inhibit plant growth, such as predators and disease.
C. Adding drought-resistant genes to another species to make them tolerant of drier conditions.
D. Improving the conditions for photosynthesis.
Selective breeding allows farmers to produce livestock with increased production of milk, eggs, etc. would maximize secondary productivity (Option A).
What is Selective breeding?Selective breeding is a strategy used to obtain plants and animals having desired phenotypic features by crossing suitable parental lines.
Selective breeding is very useful to produce crops having higher seed yields and also resistant to different types of biotic and abiotic stresses.
In conclusion, selective breeding that allows farmers to produce livestock with faster growth rates and increased production of milk, eggs, etc., can be used to maximize secondary productivity (Option A).
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Which of the following is a high-heat, high red-spectrum lighting choice?
High heat lighting is that with the lowest number of degrees Kelvin and high red spectrum is generally defined as radiation with wavelengths between 600 and 700 nm.
What is warm lighting?Warm light is the one with the fewest degrees Kelvin, typically around 2,700K, bringing in light that is pulled yellow.
What is red spectrum light?Red light is generally defined as radiation with wavelengths between 600 and 700 nm. Although red light has a low luminous efficiency, which means the light appears relatively dim to people, it has a high relative quantum efficiency and is highly absorbed by the red-absorbing (PR) form of phytochrome.
With this information, we can conclude that red light has a low luminous efficiency, which means the light appears relatively dim to people.
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If the atp synthase for an organism contains 15 c subunits, how many protons must flow through atp synthase per each new atp that is synthesized?.
Each time a new ATP is created, ATP synthase must process 5 protons.
Where is ATP synthase found and what does it do?ADP and phosphate are converted into ATP by the mitochondrial enzyme ATP synthase, which is located in the inner membrane. Protons are transported over a gradient created by electron transfer from the chemically positive to the negative side of the proton, which drives the flux of protons.How does photosynthesis's ATP synthase function?The light-driven production of ATP is catalyzed by the chloroplast ATP synthase, which is activated in the light and deactivated in the dark by redox-modulation via the thioredoxin system. This down-regulation is thought to be crucial for minimizing wasted ATP hydrolysis at night.What makes ATP synthase so crucial?All cellular functions are powered by ATP, which is constantly used by cells and required for production. About 100 ATP molecules can be produced by each ATP synthase every second.
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In an experiment, 90 newborn flies are divided evenly into three separate
groups and placed in boxes inside an incubator that is maintained at a
constant temperature of 30°C. On a daily basis, the first group is given water
containing 1 mg/mL of sugar; the second is given water containing 2 mg/mL
of sugar; and the third is given water containing 3 mg/mL of sugar. After four
weeks, the average length of the flies in each group is determined.
Which factor is the dependent variable in this experiment?
A. Average length of flies in a group
B. Concentration of sugar in the water
C. Number of flies in a group
D. Temperature of the incubator
Answer:
A. average length of files in a goup
When a person is anxious or fearful, the autonomic nervous system shunts blood away from peripheral veins to the core of the body.
Select the one best answer
True
False
When a person is anxious or fearful, the autonomic nervous system shunts blood away from peripheral veins to the core of the body - TRUE
Sympathetic stimulation of blood vessels causes arteries and arterioles (resistance vessels) to constrict, increasing vascular resistance and reducing distal blood flow. The increased vascular resistance that results from this across the body raises arterial pressure. When our bodies shift into superman mode, the second signal is transmitted to the hypothalamus, where it activates our autonomic nerve system, which is in charge of the fight-or-flight impulse. Our bodies receive an adrenaline boost as well as an increase in heart rate and blood pressure. When you are afraid, you get that rush.learn more about autonomic nervous system here: https://brainly.com/question/4143211
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Which condition would a gynecologist treat?
a. cervical dysplasia
b. sickle cell anemia
c. vocal cord polyps, cancer
d. hyperthyroidism
e. cystitis
What happens when a hypotonic solution is separated from a hypertonic solution by an osmotic membrane?
When a hypotonic solution is separated from a hypertonic solution by an osmotic membrane, the solvent will move from the side hypertonic solution to the side of the hypotonic solution.
What is osmosis?The movement of solvent from a region of high concentration of solute to a region of low concentration of solute, through a semi-permeable membrane is called osmosis.
Osmosis is a type of passive transport and movement of solvent happens along the concentration gradient. The solution with high solute concentration is called hypertonic solution and the solution with low solute concentration is called a hypotonic solution.
Therefore, If these solutions are separated by a membrane, then the solvent of these solutions will move from the side of the hypertonic solution to the side of the hypotonic solution until equilibrium is reached i.e until both solutions become isotonic relative to each other.
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----- cells do not directly take part in sexual reproduction, while ---- cells do.
Answer:
Somatic; germ
Which component of the electrocardiogram represents the duration of ventricular contraction?
QRS complex refers to the combination of the Q, R, and S waves, and indicates ventricular depolarization and contraction (ventricular systole).
Ventricular rate can be calculated by determining the time interval between QRS complexes. The duration of the QRS complex is normally 0.06 to 0.10 seconds. This relatively short duration indicates that ventricular depolarization normally occurs very rapidly.
P QRS and T waves in electrocardiogram signifies the P wave in an ECG complex indicates atrial depolarization. The QRS is responsible for ventricular depolarization and the T wave is ventricular repolarization.
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The anterior pituitary gland is controlled by regulatory hormones secreted by the ______.
Answer:
The anterior pituitary gland is controlled by regulatory hormones secreted by the neurosecretory cells present in the hypothalamus.
The ________ are double sheets of peritoneal membrane that suspend the visceral organs and carry nerves, lymphatics, and blood vessels.
The Mesenteries are double sheets of peritoneal membrane that suspend the visceral organs and carry nerves, lymphatics, and blood vessels.
The double layer sheets of serous membrane that support the viscera are called mesenteries.What is the mesentery and what does it do?
Your intestines are connected to the abdominal wall via the mesentery. As a result, your intestines don't collapse into your pelvic region and remain in their proper position.What are the Mesenteries of the body?
The viscera are enclosed by the mesentery, a continuous folded band of peritoneal (membranous) tissue that is linked to the abdominal wall. In humans, the mesentery spreads downward and encircles the colon and upper part of the rectum in addition to the pancreas and small intestine.What are the 2 functions of the mesentery?
The mesentery connects the intestines to the abdominal wall, aids in fat storage, and enables nerves, blood arteries, and lymphatics to nourish the intestines.
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A complex consisting of a single mrna molecule with several ribosomes is called a _________.
a. polysome
b. multisome
c. maxisome
d. proteosome
What city occupies a relatively flat drainage divide between the indus and ganges plains. The two most productive agricultural areas of india?
Delhi is located on a strip of relatively level land that separates the Indus and Ganges rivers. In terms of agriculture, West Bengal and Uttar Pradesh are India's two most productive regions.
The drainage system of India:
The Indo-Brahma river is believed to have split into 3 primary draining structures and systems-
the Ganges as well as its Himalaya counterparts in the center.the Indus and its 5 branches in the west; and the Assamese section of the Brahmaputra as well as its branches in the east.The disruption that occurred during the Pleistocene epoch in the western Himalayas, namely the elevation of the Potwar Plateau (Delhi Ridge), which served also as a hydrological divide between Indus and Ganga drainage facilities, is most likely what caused the fragmentation. The Ganges and Brahmaputra rivers were also redirected to flowing toward this Bay of Bengal due to the mid-Pleistocene down thrusting of the Malda gap region in between Rajmahal ranges and the Meghalaya plains.
Agriculture areas:
In India, West Bengal produces the most food grains. It is renowned for producing rice. The entire amount of rice produced in West Bengal is 146.05 lakh tonnes, with a yield of 2600 kilos per hectare. It falls under India's states that produce rice. Producing fruits including mangoes, litchi, papaya, pineapple, and citrus is a business in West Bengal.As the main agricultural region of India, Uttar Pradesh ranks well when it regards the cultivation of important Indian state-level crops including wheat bran, maize, sucrose, agricultural goods, and numerous others. It is among the top states of India for grain production. The greatest center for sugarcane production in the world is Uttar Pradesh, where it is also the most widely grown crop.Learn more about the Ganges here:
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How is increased muscle perfusion during exercise accomplished? check all that apply
during exercise accomplished there is increased muscle perfusion
Arterioles dilate during exercise in reaction to adrenaline and norepinephrine released by the adrenal medulla and sympathetic nerves. Precapillary sphincters, which are not innervated, dilate in response to lactic acid, CO2, and adenosine.
During vigorous activity, blood flow through the muscles can rise more than 20-fold, requiring blood to be diverted from other organs such as the digestive tract and kidneys to satisfy the needs of the working muscles. Muscular contraction constricts blood vessels and obstructs flow.
Muscle perfusion was measured as an index of blood volume at rest using a diffusion-weighted MRI methodology and analysis approach developed in our lab.
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