noun, plural in·fun·dib·u·la [in-fuhn-dib-yuh-luh] /ˌɪn fʌnˈdɪb yə lə/. Anatomy.
- a funnel-shaped organ or part.
- a funnel-shaped extension of the hypothalamus connecting the pituitary gland to the base of the brain.
- a space in the right ventricle at the base of the pulmonary artery.
noun plural -la (-lə)
- anatomy any funnel-shaped part, esp the stalk connecting the pituitary gland to the base of the brain
1799 in the anatomical sense, from Latin infundibulum, literally “a funnel,” from infundere “to pour into” (see infuse) + -bulum, suffix forming names of instruments. In some cases a loan-translation into Latin of Greek khoane “funnel.” Related: Infundibular.
n. pl. in•fun•dib•u•la (-lə)
- A funnel or funnel-shaped structure or passage.
- The infundibulum of the fallopian tube.
- The expanding portion of a calix as it opens into the pelvis of the kidney.
- conus arteriosus
- A termination of a bronchiole in the alveolus.
- Termination of the cochlear canal beneath the cupola.
- The funnel-shaped, unpaired prominence of the base of the hypothalamus behind the optic chiasm, continuous below with the stalk of the pituitary gland.