facial nerve

the seventh cranial nerve, which innervates facial musculature and some sensory receptors, including those of the external ear and the tongue. Also called cranial nerve VII. See greater superficial petrosal nerve.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

December 18th 2024

Type III cell

a type of taste cell that, when viewed by electron microscopy, is similar to a Type II cell but has dense-cored vesicles in its basal region. Type III cells comprise 15% of the cells in a taste bud; they contain acetylcholine and serotonin for activation of peripheral nerve fibers. Also called intermediate cell.