Mesenchymalstemcells(MSCs)havebeenreportedtobepresentinmanytissues.Thosefrombonemarrow(bonemarrowstromalstemcells,skeletalstemcells)giverisetoavarietyofcelltypes:bonecells(osteoblasts&osteocytes),cartilagecells(chondrocytes),fatcells(adipocytes),&stromalcellsthatsupportbloodformation.
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Biocell Center is the first company in the world to cryo-preserve stem cells collected from amniotic fluid & chorionic villi.
A. 对
B. 错
Neural stem cells in the brain give rise to its three major cell types: nerve cells (neurons) & two categories of non-neuronal cells —astrocytes & oligodendrocytes.
A. 对
B. 错
Typically, there is a very small number of pluripotent adult stem cells in each tissue &, once removed from the body, their capacity to divide is limited, making generation of large quantities of stem cells difficult.
A. 对
B. 错
Epithelial stem cells in the lining of the digestive tract occur in deep crypts & give rise to several cell types: absorptive cells, goblet cells, Paneth cells, & enteroendocrine cells.
A. 对
B. 错