Infundibulum

Infundibulum

An infundibulum (Latin for "funnel"; plural, "infundibula") is a funnel-shape cavity or organ.

* Lungs: The alveolar sacs of the lungs from which the air chambers (alveoli) open are called infundibula.

* Heart: The outflow portion of the right ventricle, the infundibulum of the heart, is another name for the conus arteriosus.

* Ovaries: The end of the mammalian oviduct nearest to the ovary is the infundibulum of uterine tube.

* Brain: A small outgrowth of the ventral wall of the embryonic brain from which the pars nervosa (the posterior lobe) of the pituitary gland develops is also called the infundibulum. (Another name for this structure is the pituitary stalk.)

* Kidney: Part of the collecting system in the kidneys. Urine flows from the calyces, through the infundibula into the renal pelves.

* Ethmoid bone: Ethmoidal infundibulum

* From the science fiction novel The Sirens of Titan by Kurt Vonnegut the phenomenon "chronosynclastic infundibulum" is defined as "those places ... where all the different kinds of truths fit together".

* Geometry The arc of a sphere or any portion of the perfect circle.


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  • infundibulum — [ ɛ̃fɔ̃dibylɔm ] n. m. • 1694; mot lat. « entonnoir » ♦ Anat. Partie en forme d entonnoir (de certains organes ou canaux). ⇒ canal, entonnoir. ● infundibulum nom masculin (latin infundibulum, entonnoir) Partie interne du canal crural, en dedans… …   Encyclopédie Universelle

  • Infundibulum — In fun*dib u*lum, n.; pl. L. {Infundibula}, E. {Infundibulums}. [L., a funnel, from infundere to pour in or into. See {Infuse}.] 1. (Anat.) A funnel shaped or dilated organ or part; as, the infundibulum of the brain, a hollow, conical process,… …   The Collaborative International Dictionary of English

  • infundibulum — 1799 in the anatomical sense, from L. infundibulum, lit. a funnel, from infundere to pour into (see INFUSE (Cf. infuse)) + bulum, suffix forming names of instruments. In some cases a loan translation into Latin of Gk. khoane funnel. Related:… …   Etymology dictionary

  • Infundibŭlum — (lat.), 1) Trichter; 2) Stück eines hohlen, auf der einen Seite sich verengernden Pflanzenstängels; daher Infundibuliformis, trichterförmig …   Pierer's Universal-Lexikon

  • Infŭndibŭlum — (lat.), Trichter; s. auch Gehirn, S. 468 …   Meyers Großes Konversations-Lexikon

  • Infundibulum —   [lateinisch »Trichter«] das, s/...la, Anatomie: 1) allgemeine Bezeichnung für trichterförmige Öffnungen an Organen oder Teilen des Skeletts; 2) trichterförmige Ausstülpung des Zwischenhirnbodens bei Wirbeltieren, an der die Hypophyse hängt… …   Universal-Lexikon

  • INFUNDIBULUM — (лат. воронка, франц. Рисунок 1. Внутренняя поверхность головного мозга. Дно III желудочка: 1 splenium corp. callosi; г pulvinar; 3 g]. pinealis; 4 и 5 corpora quadrigemina; 6 tegment. ножки моага; 7 velum raedullar. ant.; « IV желудочек; 9 …   Большая медицинская энциклопедия

  • infundibulum — [in΄fun dib′yo͞oləm] n. pl. infundibula [in΄fun dib′yo͞olə] [ModL < L, a funnel < infundere: see INFUSE] Anat. any of various funnel shaped organs or passages, as a) the extension of the third ventricle of the brain to the pituitary gland… …   English World dictionary

  • Infundibulum — Unter Infundibulum (lat., Trichter ) versteht man in der Anatomie trichterförmige Strukturen. Beispiele sind: Infundibulum der Neurohypophyse (Hypophysenstiel) Infundibulum dentis: Schmelzeinstülpung der Zähne bei Pferd (Kunde) und Paarhufern… …   Deutsch Wikipedia

  • Infundibulum — Pour les articles homonymes, voir infundibulum (homonymie). L infundibulum est une structure creuse en forme d entonnoir. On décrit ainsi : l infundibulum pulmonaire (ou chambre de chasse ventriculaire droite ou cône artériel) correspondant… …   Wikipédia en Français

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