NEET PG DENTAL EXAM

Previous
Next

HISTOLOGY

INTEGUMENTARY SYSTEM SKIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Fingerprints and footprints are produced by dermal projections into the epidermis called ____
A
striae
B
cleavage lines
C
papillae
D
reticular lines
Explanation: 

Detailed explanation-1: -The top layer of the dermis, called the papillary dermis, forms small projections into the adjacent stratum basale of the epidermis and is responsible for the visible, unique skin patterns such as fingerprints and footprints. Collagen in the papillary dermis forms loose connective tissue.

Detailed explanation-2: -The dermal papilla (DP) of the hair follicle is both a chemical and physical niche for epithelial progenitor cells that regenerate the cycling portion of the hair follicle and generate the hair shaft.

Detailed explanation-3: -(PA-pih-LAYR-ee DER-mis) The thin top layer of the dermis (the inner layer of the skin). The papillary dermis has connective tissue and blood vessels that give nutrients to the epidermis (the outer layer of the skin) and that help control the temperature of the skin.

There is 1 question to complete.
Previous
Next