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.
〔医〕闭锁，无孔
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.
〔生理〕（不排卵的卵巢滤泡的）萎缩消失
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.
〔医〕闭锁，无孔
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.
〔生理〕（不排卵的卵巢滤泡的）萎缩消失
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.

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. 〔医〕闭锁，无孔 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. 〔生理〕（不排卵的卵巢滤泡的）萎缩消失 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. 〔医〕闭锁，无孔 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. 〔生理〕（不排卵的卵巢滤泡的）萎缩消失 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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