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pl. infundibula [L. infundibulum, a funnel, a hopper]

1. A funnel-shaped passage or structure.
2. The tube connecting the frontal sinus with the middle nasal meatus.
3. The stalk of the pituitary gland.
4. Any renal pelvis division.
5. The cavity formed by the fimbriae of the fallopian tubes.
6. The terminus of a bronchiole.
7. The terminus at the upper end of the cochlear canal.
8. The conelike upper anterior angle of the right cardiac ventricle from which the pulmonary artery arises.
SYN: SEE: conus arteriosus

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