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Related to atresic: atresia, antiemetic, atretic


Relating to atresia.
Synonym(s): atresic, imperforate


adjective Pertaining or referring to atresia, see there.


(a-tre'zha) [ ¹an- + Gr. tresis, a perforation]
Congenital absence or closure of a normal body opening or tubular structure. atresicatretic (a-tre'zik, 'sik) (a-tret'ik), adjective

anal atresia

Imperforate anus.

aortic atresia

Congenital closure of the aortic valvular opening into the aorta.

biliary atresia

Closure or absence of some or all of the major bile ducts.

choanal atresia

A congenital occlusion of the passage between the nose and pharynx by a bony or membranous structure.

congenital aural atresia

Failure of the external ear canal to develop in utero. When this condition affects both ears, the child may suffer permanent hearing loss and have difficulty speaking and acquiring language skills. Unilateral cases require no specific therapy.

duodenal atresia

Congenital closure of a portion of the duodenum.

esophageal atresia

Congenital failure of the esophagus to develop.

follicular atresia

Normal death of the ovarian follicle following failure of the ovum to be fertilized.

intestinal atresia

Congenital closure of any part of the intestine.

mitral atresia

Congenital closure of the mitral valve opening between the left atrium and ventricle.

prepyloric atresia

Congenital closure of the pyloric end of the stomach.

pulmonary atresia

Congenital closure of the pulmonary valve between the right ventricle and the pulmonary artery.

urethral atresia

Absence or closure of the urethral orifice or canal.

vaginal atresia

Congenital closure or absence of the vagina.
References in periodicals archive ?
The MAI was based on three assumptions: (1) MVF (composed of healthy, mature oocytes) represented the oocyte volume fraction with a high probability of being spawned as healthy; (2) AVF represented the oocyte volume fraction with no probability of being spawned as healthy oocytes; the fates of MVF and AVF were therefore known; (3) The fate of IVF was unknown as it could either remain healthy or become atresic.
1) The end of the gametogenic periods, when most oocytes were atresic and undergoing resorption.
Although it is not possible to establish a firm chronological sequence at this point, certain atresic characteristics do present a temporal sequence, especially for the nucleus (Fig.
atresic oocytes with nuclear and cytoplasmic membrane breakdown and vacuolation of the ooplasm and 2.
Atresic oocytes were less frequent than in phase II, as indicative of a probable mechanism of resorption.