accessory nerve

the 11th cranial nerve, sometimes so named because one of its functions is that of serving as an accessory to the 10th cranial nerve (the vagus nerve). It innervates the sternomastoid and trapezius muscles in the neck.

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

seriation

n. the process of arranging a collection of items in a specific order (series) on the basis of a particular dimension (e.g., size). According to Piagetian theory, this ability is necessary for understanding the concepts of numbers, time, and measurement and is acquired by children during the concrete operational stage.