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Related to atresia: pulmonary atresia, aortic atresia, bronchial atresia, follicular atresia, tricuspid atresia


 (ə-trē′zhə, -zhē-ə)
1. The absence or closure of a normal body orifice or tubular passage such as the anus, intestine, or external ear canal.
2. The degeneration and resorption of one or more ovarian follicles before a state of maturity has been reached.

[New Latin atrēsia : Greek a-, not, without; see a-1 + Greek trēsis, perforation, orifice; see terə- in Indo-European roots.]

a·tre·sic (-zĭk, -sĭk) adj.


(əˈtriːʒɪə; -ʒə)
(Pathology) absence of or unnatural narrowing of a body channel
[C19: New Latin, from Greek atrētos not perforated]


(əˈtri ʒə, -ʒi ə)

the absence, or failure to develop, of a normal body opening or duct, as the ear canal.
[1800–10; < Greek a- a-6 + três(is) perforation + -ia -ia]
a•tre′sic (-zɪk, -sɪk) a•tret•ic (əˈtrɛt ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.atresia - an abnormal condition in which a normal opening or tube in the body (as the urethra) is closed or absent
abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies


n. atresia, cierre congénito anormal de una abertura o conducto del cuerpo.
References in periodicals archive ?
5, 2015 /PRNewswire-USNewswire/ -- When Bea Weidner was two-months-old, doctors at Cincinnati Children's Hospital Medical Center diagnosed her with a rare life-threatening pediatric liver disease called biliary atresia.
We conducted a prospective study to investigate the abnormalities of the facial nerve canal inpatients with congenital aural atresia by computed tomography (CT).
The main outcome measure was the 14 categories of birth defects that, according to the medical literature, had associations with SSRIs: neural tube defects, anencephaly, all septal defects, ventricular septal defects, right ventricular outflow tract obstructions, cleft palate, cleft lip with or without cleft palate, esophageal atresia, anal atresia, hypospadias, any limb reduction defect, craniosynostosis, gastroschisis, and omphalocele.
A diagnosis of distal ileal atresia was made, resulting in distal ileocecal resection with an ileocolic anastomosis.
Evan needed the op after he was diagnosed with biliary atresia - a condition in which infants don't have normal openings in their liver bile ducts - at eight weeks old.
Bradley Tweedy from Bedlington was born with a tracheoesophageal fistula and atresia, and a right- sided diaphragmatic hernia, forcing him to spend the first year of life in hospital fighting for his life.
Biliary atresia is an inflammatory cholangiopathy of infancy that results in progressive fibrosis and obliteration of extrahepatic and intrahepatic bile ducts.
Vivan Arora is suffering from a rare condition, which in medical terms is called tetralogy of Fallot with pulmonary atresia with major aortopulmonary collaterals.
Katherine, who was born with the rare liver disease, biliary atresia, died last January, aged just 17, whilst waiting for her third liver transplant.
IN the past five years 13 transplants were carried out on Irish babies with Biliary Atresia in the UK.
Kobe Johnson was born with a heart condition called pulmonary atresia with ventricular septal defect and needed specialist treatment in Leeds General Infirmary (LGI).
Among the parents attending Saturday's event was Vanessa Harris from St Mellons, whose twoyear-old daughter Ava was born with the rare liver disease, biliary atresia.