What changes occur in the sarcomere during muscle contraction??
1 answer:
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Answer: The answers are as follows;
- a- Cuticle
- b- Lunula
- c- Nail fold
- d- Nail Matrix
- e- Hyponychium
- f- Nail bed
Explanation:
- The cuticle is the overlapping epidermis around the base of the nail, it protects the nail matrix from infection.
- The lunula is found at the base of the nail, it is white in colour and lies over the matrix.
- The nail fold is the continuing skin which acts as a protective barrier, protects and seals the matrix against dirt and bacteria.
- The nail matrix which is sometimes called the nail root. it produces new nail cells. Keratinization process takes place in the epidermal cells of the matrix.
- The hyponychium is part of the epidermis under the free edge of the nail plate. it protects the nail bed from infection.
- The nail bed is the part of the skin which the nail plate rests on. it is rich in blood supply and lymph vessels for health nails. it provides nourishment and protection.
i hope this is elaborate and it helps.
