Stem cells are the body's raw materials — cells from which all other cells with specialized functions are generated. Under the right conditions in the body or a laboratory, stem cells divide to form more cells called daughter cells.Research carried out with the use of these cells has demonstrated their effectiveness in the treatment of various diseases, such as leukemia, heart disease and hematological diseases. Embryonic stem cells, in turn, have the ability to form any tissue in the body.
How are embryonic stem cells used?Stem cells have the ability to differentiate and self-renew. For this reason, they can be used in the treatment of degenerative diseases. Stem cells stand out for their ability to transform into different cell types, that is, they are cells with a great capacity for differentiation.
What diseases could be treated with the use of Embryonic Stem Cells?Diseases that can be treated with stem cellsleukemias. Leukemia is a generic term used to describe the “cancer” of leukocytes, the white blood cells. Thalassemias. Neuroblastoma.Primary immunodeficiencies.Sideroblastic anemia. Metabolic diseases. Sickle cell anemia.With this information, we can conclude that Scientists are also working on ways to develop stem cells from other cells, using genetic “reprogramming” techniques.
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Both adult and embryonic stem cells have the potential to be used for medical treatment because adult stem cells are also found in a undifferentiated state.
What are embryonic stem cells?The embryonic stem cells are specific non-specialized cells found in the blastocyst (embryo state) which can be stimulated to generate virtually any tissue.
Moreover, adult stem cells are nonspecialized cells found after the postnatal period which can be stimulated to divide and produce any tissue (similarly to embryonic stem cells).
In conclusion, both adult and embryonic stem cells have the potential to be used for medical treatment because adult stem cells are also found in a undifferentiated state.
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Old dirty csf is dumped into the large vein (superior sagittal sinus) through which structure?
Old dirty CSF is dumped into the large vein (superior sagittal sinus) through the arachnoid villus.
Small protrusions of the arachnoid barrier layer into the venous sinus and its principal tributaries are known as arachnoid villi or granulations. They are generally acknowledged to be the cause of human meningiomas and are intimately associated with the absorption of cerebrospinal fluid. Arachnoid villi, which are structures, are used in the superior sagittal sinus to absorb CSF into the bloodstream.
The bulk of cerebrospinal fluid (CSF) is created by the choroid plexus, travels through the ventricles, cisterns, and subarachnoid space, and then is absorbed into the blood by the arachnoid villi, according to the conventional concept of CSF physiology.
Arachnoid granulations or villi are arachnoid membrane growths in the dural sinuses, where the CSF exits the subarachnoid space and enters the venous system. Arachnoid granulations, which are visible to the unaided eye and indicate enlarged arachnoid villi, are minute.
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