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n. Any of various funnel-shaped bodily passages, openings, structures, or parts, especially:

n. The stalk of the pituitary gland.

n. The calyx of a kidney.

n. The ovarian opening of a fallopian tube.

n. A funnel-shaped cavity or organ.

n. A funnel-shaped or dilated organ or part

n.

n. A central cavity in the Ctenophora, into which the gastric sac leads.

n. The siphon of Cephalopoda. See Cephalopoda.

n. In anatomy, a funnel-shaped organ or part.

n. In zöol.:

n. The funnel or siphon of a cephalopod, formed by the coalescence or apposition of the epipodia: supposed by Huxley to be formed by the union and folding into a tubular form of processes which correspond to the epipodia of pteropods and branchiogastropods. See cut under Dibranchiata.

n. One of the gastric cavities of the Ctenophora, into which the gastric sac leads; a chamber connecting the gastric cavity with the entire system of canals of the body, and also leading to the aboral pores. It corresponds to the common axial cavity of actinozoans. See cut under Ctenophora.

n. The dilated upper extremity of the oviduct of a bird, which receives the ovum from the ovarium, corresponding to the fimbriated extremity of the Fallopian tube of a mammal.

n. [capitalized] A genus of mollusks.

n. The two or three main divisions of the pelvis of the kidney. formed by the confluence of the calyces.

n. any of various funnel-shaped parts of the body (but especially the hypophyseal stalk)

"The middle ethmoidal cells open into the central part of this meatus, and a sinuous passage, termed the infundibulum, extends upward and forward through the labyrinth and communicates with the anterior ethmoidal cells, and in about 50 per cent. of skulls is continued upward as the frontonasal duct into the frontal sinus."

infundibula of the lungs    infundibula of the kidney    infundibulum of the brain    infundibulum of the heart    infundibulum of the cochlea   

infundibula    cephalopoda