Question
Stem cells are located in which region of hair follicle:
| A. |
Bulb
|
| B. |
Root
|
| C. |
Bulge
|
| D. |
Papilla
|
Show Answer
|
Correct Answer � C
Explanation
|
|
Ans. C. Bulge
Stem cells are thought to reside mainly in the troughs of rete pegs, and in the outer root sheath bulge of the hair follicle
Stem Cell Niches
|
Stem cell
|
Organ
|
Niche
|
|
Epidermal stem cell
|
Hair follicle, Epidermis
|
Hair follicle bulge
|
|
Intestinal stem cell
|
Intestine
|
Base of colonic crypt above paneth cell
|
|
Oval cell (liver stem cell)
|
Liver
|
Canal of herring
|
|
Corneal stem cell
|
Cornea
|
Limbus
|
|
Neural stem cell
|
Brain
|
Olfactory bulb, Dentate gyrus of hippocampus
|
|
Satellite cells
|
Skeletal/Cardiac muscles
|
Beneath the myocyte basal lamina
|
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