aditus

opening

 [o´pen-ing]

a gap or open space; anatomic nomenclature for various types of openings includes aditus, aperture, foramen, fossa, hiatus, inlet, meatus, orifice, ostium, and outlet.

aortic opening

1. the aperture in the diaphragm for passage of the descending aorta.

2. aortic orifice.

cardiac opening the opening from the esophagus into the stomach.

pulmonary opening (opening of pulmonary trunk) pulmonary orifice.

pyloric opening the opening between the stomach and duodenum.

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

in·let

(in'lĕt) [TA]

A passage leading into a cavity.
Synonym(s): aditus [TA] .

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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