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单词 atresia
释义

Definition of atresia in English:

atresia

noun əˈtriːʃəəˈtriːziəəˈtrēZH(ē)ə
mass noun
  • 1Medicine
    Absence or abnormal narrowing of an opening or passage in the body.

    Example sentencesExamples
    • The main objective of our study was to identify chromosomal regions possibly containing putative disease loci involved in the etiology of anal atresia.
    • An X-ray revealed she had a condition called trachea oesophageal fistula and atresia, where the oesophagus and windpipe have not split properly.
    • The Foundation is of vital importance to Sarah and her family because her youngest daughter, Carol, was diagnosed last year with a rare liver disease called biliary atresia.
    • Mary has pulmonary atresia, a condition that means the heart and the main blood vessel to the lungs have failed to develop properly.
    • Cheryl was diagnosed with pulmonary atresia as a baby, and underwent two heart operations when she was six-months-old and five.
  • 2Physiology
    The degeneration of those ovarian follicles which do not ovulate during the menstrual cycle.

    Example sentencesExamples
    • The process by which follicles degenerate and disappear is little understood and is termed follicular atresia.
    • These structures form through a process of follicular atresia accompanied by hypertrophy of the follicular cells.
    • Furthermore, they may cause premature depletion of the follicle pool by induction of follicular atresia or oocyte apoptosis and, thereby, lead to reduced fertility.
    • Mammalian females have a fixed number of oocytes at birth, which decreases dramatically with advancing age due to follicular atresia.
    • This results in atresia of the dominant follicle and re-initiation of follicular recruitment.

Origin

Early 19th century: from a-1 'without' + Greek trēsis 'perforation' + -ia1.

 
 

Definition of atresia in US English:

atresia

nounəˈtrēZH(ē)ə
  • 1Medicine
    Absence or abnormal narrowing of an opening or passage in the body.

    Example sentencesExamples
    • The main objective of our study was to identify chromosomal regions possibly containing putative disease loci involved in the etiology of anal atresia.
    • Cheryl was diagnosed with pulmonary atresia as a baby, and underwent two heart operations when she was six-months-old and five.
    • Mary has pulmonary atresia, a condition that means the heart and the main blood vessel to the lungs have failed to develop properly.
    • The Foundation is of vital importance to Sarah and her family because her youngest daughter, Carol, was diagnosed last year with a rare liver disease called biliary atresia.
    • An X-ray revealed she had a condition called trachea oesophageal fistula and atresia, where the oesophagus and windpipe have not split properly.
  • 2Physiology
    The degeneration of those ovarian follicles which do not ovulate during the menstrual cycle.

    Example sentencesExamples
    • This results in atresia of the dominant follicle and re-initiation of follicular recruitment.
    • The process by which follicles degenerate and disappear is little understood and is termed follicular atresia.
    • Furthermore, they may cause premature depletion of the follicle pool by induction of follicular atresia or oocyte apoptosis and, thereby, lead to reduced fertility.
    • These structures form through a process of follicular atresia accompanied by hypertrophy of the follicular cells.
    • Mammalian females have a fixed number of oocytes at birth, which decreases dramatically with advancing age due to follicular atresia.

Origin

Early 19th century: from a- ‘without’ + Greek trēsis ‘perforation’ + -ia.

 
 
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更新时间:2024/11/10 17:42:21