orifice

n.
An opening, especially to a cavity or passage of the body; a mouth or vent.

[Middle English, from Old French, from Late Latin ōrificium : Latin ōs, ōr-, mouth + Latin -ficium, a making, doing (from facere, to make).]

orificial or'i·fi'cial (-fĭsh'əl) adj.

noun

An open space allowing passage: aperture, hole, mouth, opening, outlet, vent. See open/close.

(ôr′ifis)
n

The entrance or outlet of any body cavity; any foramen, meatus, or opening.

1. the entrance or outlet of any body cavity.
2. any foramen, meatus or opening.
The names of most orifices are self-defining, e.g. atrioventricular, preputial. See also ostium.

• atrioventricular o. — the opening between the atria and ventricles.
• cecocolic o. — aperture through which the cecum connects with the colon.
• ileocolic o. — the communicating orifice between the ileum and the colon.
• infundibular o. — slit-like orifice at the ovarian end of the avian oviduct; positioned near the ovary so that it can grasp the newly extruded oocyte.
• intrapharyngeal o. — the orifice between the nasopharynx and oropharynx which is bounded by the palatopharyngeal arches.
• nasomaxillary o. — the slit-like opening between the maxillary sinus and the middle meatus of the nasal cavity.
• omasoabomasal o. — large, oval opening at the end of the omasal canal which communicates with the abomasum.
• oviductal o. — a slit-like opening in the avian urodeum.
• pyloric o. — aperture between the stomach and duodenum; opens infrequently, solely for the passage of ingesta.
• ureteric o. — paired orifices in the neck of the bladder.

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Dansk (Danish)
n. - munding, åbning

Nederlands (Dutch)
(lichaams)opening

Français (French)
n. - (gén, Anat) orifice

Deutsch (German)
n. - (kleine) Öffnung, Mündung

Ελληνική (Greek)
n. - άνοιγμα, οπή, στόμιο, (καθομ.) διάταξη ελέγχου παροχής ή ροής γεωτρήσεως

Italiano (Italian)
orifizio, buco, pertugio, cavità

Português (Portuguese)
n. - orifício (m), abertura (f)

Русский (Russian)
отверстие

Español (Spanish)
n. - orificio, abertura, agujero

Svenska (Swedish)
n. - mynning, öppning

中文（简体）(Chinese (Simplified))
孔口

中文（繁體）(Chinese (Traditional))
n. - 孔口

한국어 (Korean)
n. - 구멍

日本語 (Japanese)
n. - 口, 穴

العربيه (Arabic)
‏(الاسم) فتحه‏

עברית (Hebrew)
n. - ‮פתח, פה, נחיר‬

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