What is a stem cell?
Answer (3)
an undifferentiated cell of a mullticelluar organism that is capable of giving rise to indefinitely more cells of the same type, and form which certain other kinds of cell arise by differentiation.
Stem cells are unspecialized cells capable of dividing and differentiating into specialized cells. They exist as embryonic stem cells with totipotent and pluripotent abilities.
Stem cells are unspecialized biological cells with the remarkable ability to divide and either make exact copies of themselves (self-renewal) or differentiate into specialized cells with specific functions. They serve as a repair system for the body, replenishing tissues and maintaining the turnover of regenerative organs such as blood, skin, or intestinal tissues. There are two main types: embryonic stem cells, derived from the inner cell mass of blastocysts, and adult stem cells, found in various body tissues.
In the process of development, embryonic stem cells exhibit totipotency, meaning they have the potential to differentiate into any cell type needed for organismal growth. As development progresses, these cells transition to a state of pluripotency, which allows them to differentiate into any tissue type but not an entire organism. Adult stem cells, which are generally multipotent, can give rise to cells within a certain lineage or a limited number of lineages.
A stem cell is an unspecialized cell that can divide indefinitely and differentiate into specialized types. They play a crucial role in development, healing, and medical treatments. Stem cells are found in embryos and adults and are vital for tissue repair and regeneration.
;
