| AC | abdominal circumference; abdominal compression; absorption coefficient; abuse case; acetate; acetylc... |
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| IO | incisal opening; inferior oblique; inferior olive; internal os; interorbital; intestinal obstruction... |
| IOFB | intraocular foreign body |
| IOP | improving organizational performance; intraocular pressure |
| ITR | intraocular tension recorder; intratracheal |
| abnormal heart chamber dimensions | <radiology> Left ventricular volume overload, left ventricular hypertrophy, right ventricular volume overload, right ventricular hypertrophy, fixed subvalvular aortic stenosis, hypoplastic left/right ventricle; common ventricle, congestive cardiomyopathy (12 Dec 1998) |
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| air chamber | 1. A chamber or cavity filled with air, in an animal or plant. 2. A cavity containing air to act as a spring for equalizing the flow of a liquid in a pump or other hydraulic machine. Source: Websters Dictionary (01 Mar 1998) |
| altitude chamber | A decompression chamber for simulating a high altitude environment, particularly its low barometric pressure. Synonym: high altitude chamber. (05 Mar 2000) |
| anechoic chamber | A room designed to absorb all sound so as to eliminate all echoes; used for isolation and sound research on human subjects. (05 Mar 2000) |
| anterior chamber | The space in the eye, filled with aqueous humor, bounded anteriorly by the cornea and a small portion of the sclera and posteriorly by a small portion of the ciliary body, the iris, and that part of the crystalline lens which presents through the pupil. (12 Dec 1998) |
| anterior chamber cleavage syndrome | <syndrome> A congenital disorder originating from faulty separation of embryonic structures; it results in bilateral central corneal opacities, with an anterior ring attachment of the iridic pupillary border and anterior polar cataracts; associated with short-limbed dwarfism; autosomal dominant inheritance. See: iridocorneal endothelial syndrome. Synonym: Peters' anomaly. (05 Mar 2000) |
| anterior chamber of eye | The space between the cornea anteriorly and the iris/pupil posteriorly, filled with a watery fluid (aqueous humor) and communicating through the pupil with the posterior chamber. Synonym: camera anterior bulbi, camera oculi anterior, camera oculi major. (05 Mar 2000) |
| anterior chamber trabecula | Tissue at the angle of the anterior chamber through which aqueous humor exits from the eye. (05 Mar 2000) |
| baffle chamber | In incinerator design, a chamber designed to settle fly ash and coarse particulate matter by changing the direction and reducing the velocity of the combustion gases. (05 Dec 1998) |
| Boyden chamber | <apparatus> Simple chamber used to test for chemotaxis, especially of leucocytes. Consists of two compartments separated by a millipore filter (3-8 m pore size), chemotactic factor is placed in one compartment and the gradient develops across the thickness of the filter (ca 150 m). Cell movement into the filter is measured after an incubation period less than the time taken for the gradient to decay. See: checkerboard assay. (18 Nov 1997) |
| relief chamber | A recess in the impression surface of a denture to reduce or eliminate pressure from that specific area of the mouth. (05 Mar 2000) |
| vitreous chamber of eye | The large space between the lens and the retina; it is filled with the vitreous body. Synonym: camera vitrea bulbi, vitreous camera, vitreous chamber of eye. (05 Mar 2000) |
| chamber | A compartment or enclosed space. See: camera. Origin: L. Camera (05 Mar 2000) |
| Haldane chamber | An obsolete chamber for metabolic studies on animals. (05 Mar 2000) |
| Sandison-Clark chamber | A chamber that can be fitted over a hole punched in a rabbit's ear, so that tissue will grow to fill the defect between two transparent plates; if the distance between the plates is small, the living tissue can be studied microscopically. (05 Mar 2000) |