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WordNet-Online
Definitions from WordNet | ||||
Definitions from the WebAtresiaAtresia refers to the complete absence or closure of a normal body orifice or passage, which causes a blockage or obstruction in the affected area. Noun (Medical)In the medical context, atresia is a condition characterized by the absence or abnormal closure of a natural passage or opening in the body. Sample sentence: "Biliary atresia is a congenital disorder in which the bile ducts within the liver are abnormally closed or missing." Noun (Anatomy)In anatomy, atresia is the absence or closure of a normal body orifice, such as a congenital absence of the anus or an abnormal closure of a heart valve. Sample sentence: "Atrioventricular atresia is a rare congenital heart defect in which there is complete absence or closure of the atrioventricular valve." Noun (Botany)In the realm of botany, atresia is the condition or process of a flower not opening or failing to open properly. Sample sentence: "The flower's atresia prevented it from being pollinated and producing seeds." Noun (Popular)Outside of specific fields, atresia is not a widely known term among the general population. Sample sentence: "The concept of atresia is unfamiliar to most people unless they have a medical background." | ||||
atp atrabilious atracious atractive atracurium atrativa atrazine atremble atresia atria atrial atrial artery atrial auricle atrial fibrillation atrial septal defect atributable atribute
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