sacculus

Found in Anh - Anh (Wordnet)

Definition Noun : 1. A small sac or pouch : A general anatomical term for a small, bag-like structure in a plant or animal body. 2. The smaller chamber of the membranous labyrinth (in the inner ear) : Specifically, in human and vertebrate anatomy, it refers to the sacculus (or saccule), a part of the vestibular system that detects linear acceleration and head tilts, especially vertical movement...