/yooh"tri keuhl/ , n.
1. a small sac or baglike body, as an air-filled cavity in a seaweed.
2. Bot. a thin bladderlike pericarp or seed vessel.
3. Anat. the larger of two sacs in the membranous labyrinth of the internal ear. Cf. saccule (def. 1).
[ 1725-35; utriculus, dim. of uter bag; see -CLE 1 ]