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8 Cards in this Set
- Front
- Back
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Why are stem cells unique?
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They are characterized by their ability for asymmetric replication, which means that one of the products of cell division is capable of self renewal.
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Are embryonic stem cells pluripotential?
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Yes. They are capable of forming all the tissues of the body, while adult stem cells are usually only able to differentiate into a particular tissue.
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Where are stem cells located?
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In niches. Cells located in the canals of Hering of the liver can give rise to precursor cells called oval cells, which are capable of forming hepatocytes and biliary cells.
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What can satellite cells transform into?
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These cells are located in the basal lamina of myotubules and can differentiate into myocytes after injury.
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What about limbus cells?
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These are located in the canal of Schlemm and are stem cells for the cornea.
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Are there other sites for stem cells?
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At the base of the crypts of the colon and the dentate gyrus of the hippocampus.
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What are Ito cells?
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These are located in the subendothelial space of Disse, store vitamin A.. The space of Disse is located between an hepatocyte and a sinusoid.
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Where are Paneth cells located?
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Near the bottom of crypts, and provide host defense against micro-organisms.
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