Science

3. a chemical and physical niche for epithelial progenitor cells that regenerate the cycling portion of the hair follicle and generate the hair shaft.
5. the outer layer of tissue in a plant, except where it is replaced by periderm.
6. the end of a hair follicle containing active hair-growing cells; situated under the skin.
7. glands that secrete sweat to the outside of the body
9. the thick layer of living tissue below the epidermis which forms the true skin, containing blood capillaries, nerve endings, sweat glands, hair follicles, and other structures.
10. a tubular structure carrying blood through the tissues and organs; a vein, artery, or capillary.

1. the layer of tissue that underlies the skin.
2. a whitish fiber or bundle of fibers that transmits impulses of sensation to the brain or spinal cord,
3. made of a protein called keratin, compacted and fused together
4. a small gland in the skin which secretes a lubricating oily matter
6. regulates hair growth via a complex interaction between hormones, neuropeptides, and immune cells.
8. a nerve that passes impulses from receptors toward or to the central nervous system