Atresia Definition

ə-trēzhə, -zhē-ə
noun
An abnormality of the structure of a canal, duct, or body opening caused by a failure to develop properly or by an acquired closure, as with scar tissue.
Webster's New World
The absence or closure of a normal body orifice or tubular passage such as the anus, intestine, or external ear canal.
American Heritage Medicine
The degeneration and resorption of one or more ovarian follicles before a state of maturity has been reached.
American Heritage Medicine

(pathology) A condition in which a body orifice or passage in the body is abnormally closed or absent.

Wiktionary

Other Word Forms of Atresia

Noun

Singular:
atresia
Plural:
atresias

Origin of Atresia

  • New Latin atrēsia Greek a- not, without a–1 Greek trēsis perforation, orifice terə-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

Atresia Sentence Examples

  • During a process called atresia, eggs are lost at some stage without maturing to ovulation.

  • The remainder may undergo atresia and their growth arrests.

  • In biliary atresia, the bile ducts are actually absent, also causing jaundice.

  • A nasogastric tube was inserted and this plain abdominal x-ray shows the ' double-bubble ' appearance of duodenal atresia.

  • Rarer causes of poor response include the presence of congenital anomalies such as choanal atresia, diaphragmatic hernia or pulmonary hypoplasia.

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Find Similar Words

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Words Starting With

AATATR

Words Ending With

AIASIA

Unscrambles

atresia

Words Starting With A and Ending With A

Starts With A & Ends With AStarts With AT & Ends With AStarts With A & Ends With IA

Word Length

7 Letter Words7 Letter Words Starting With A7 Letter Words Ending With A