NEET PG DENTAL EXAM

HISTOLOGY

INTEGUMENTARY SYSTEM SKIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the name of the muscle that is responsible for goosebumps?
A
Pilo Errector
B
Arrector Pili
C
Goosus Bumpus
D
Foliculi Arisor
Explanation: 

Detailed explanation-1: -Goosebumps occur when tiny muscles in our skin’s hair follicles, called arrector pili muscles, pull hair upright.

Detailed explanation-2: -An arrector pili muscle originates from the dermis and inserts into the hair follicle at the bulge. Contraction of this smooth muscle, under sympathetic control, causes hair to become erect and also compresses an associated sebaceous gland which secretes its sebum onto the shaft.

Detailed explanation-3: -An arrector pili muscle is composed of skeletal muscle tissue.

There is 1 question to complete.