apertura

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aperture

 [ap´er-chur]
inferior aperture of minor pelvis (inferior aperture of pelvis) pelvic outlet.
numerical aperture an expression of the measure of efficiency of a microscope objective.
superior aperture of minor pelvis (superior aperture of pelvis) pelvic inlet.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ap·er·ture

(ap'er-chūr),
1. Opening. An inlet or entrance to a cavity or channel. In anatomy, a gap or hole.
See also: fossa, ostium, orifice, pore. Synonym(s): apertura [TA]
2. The diameter of the objective of a microscope.
Synonym(s): aditus [TA]
[L. apertura, an opening]
Farlex Partner Medical Dictionary © Farlex 2012

apertura

Aperature, opening; aperature appears to be waning in use and is being replaced by opening, which is already preferred for bony structures—e.g., acoustic apparatus, pelvis and thorax; in the clinical anatomy of the latter regions, the more colloquial terms inlet (for superior pelvic opening or superior thoracic opening) and outlet (for inferior pelvic opening or inferior thoracic opening) are widely used.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

ap·er·ture

(ap'ĕr-chŭr) [TA]
1. An inlet or entrance to a cavity or channel; in anatomy, an open gap or hole.
2. The diameter of the objective of a microscope.
Synonym(s): aditus [TA] , apertura [TA] .
[L. apertura, an opening]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

ap·er·ture

(ap'ĕr-chŭr) [TA]
1. [TA] Opening. An inlet or entrance to a cavity or channel. In anatomy, a gap or hole.
Synonym(s): apertura.
2. The diameter of the objective of a microscope.
See also: fossa, ostium, orifice
Synonym(s): aditus [TA] .
[L. apertura, an opening]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Historically, Tigres are not among the heavyweights of Mexican football but more recently they have won the respect of their domestic rivals by claiming the Apertura and Clausura titles in 2011.
Two league championships, the Apertura and Clausura, are played per season in Argentina, the 20 teams meeting each other once in each.
Nicknamed The Romantic Traveller, Universidad de Chile have been formidable on the road in the Chilean league, going the whole season (both Apertura and Clausura) unbeaten away from home.