infundibulum medical definition

1. A funnel or funnel-shaped structure or passage.
2. The infundibulum of the fallopian tube.
3. The expanding portion of a calix as it opens into the pelvis of the kidney.
4. See conus arteriosus.
5. A termination of a bronchiole in the alveolus.
6. Termination of the cochlear canal beneath the cupola.
7. The funnel-shaped, unpaired prominence of the base of the hypothalamus behind the optic chiasm, continuous below with the stalk of the pituitary gland.

Related Forms:

• infundibular , inˌfun·dibˈu·lateˌ adjective