infundibulummedical dictionary

Origin: L, a funnel, from infundere to pour in or into. See Infuse.

1. <anatomy> A funnel-shaped or dilated organ or part; as, the infundibulum of the brain, a hollow, conical process, connecting the floor of the third ventricle with the pituitary body; the infundibula of the lungs, the enlarged terminations of the bronchial tubes.

2. <zoology> A central cavity in the Ctenophora, into which the gastric sac leads. The siphon of Cephalopoda. See Cephalopoda.

(01 Mar 1998)