atresian.
/əˈtriːʃ(ɪ)ə/ Pathology.
1. Occlusion or closure of a natural channel of the body.
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the world > health and disease > ill health > a disease > disorders of internal organs > [noun] > closure
atresia1807
1807 R. Morris & J. Kendrick Edinb. Med. & Physical Dict. I
1866 T. B. Peacock Malformations of Heart 60 Atresia of the orifice..of the pulmonary artery.
2. Disappearance by degeneration, as of the follicles in the mammalian ovary.
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the world > health and disease > ill health > a disease > disorders of internal organs > reproductive organ disorders > [noun] > of female > disorders of ovary
oophoritis1833
ovaritis1841
oaritis1848
peri-oophoritis1883
paroophoritis1890
atresia1903
theca cell tumour1937
thecoma1937
1903 Jrnl. Royal Microsc. Soc. 485 In the ferret, ovulation does not occur in the absence of coition, without which the follicles undergo atresia.
1962 New Scientist 7 June 506/3 The others [sc. egg cells] are eliminated from the ovary at different stages of development by a process of spontaneous degeneration known as atresia.
Derivatives
aˈtresic adj. pertaining to or resulting from atresia; imperforate.
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the world > health and disease > ill health > a disease > disorders of internal organs > [adjective] > closure
obstruent1857
atresic1897
atretic1903
1897 Lippincott's Med. Dict. 101/1 Atresic, characterised by atresia.
1903 Nature 20 Aug. 384/2 Other atresic follicles are reduced to fibrous tissue or remain cystic.
aˈtretic adj. = atresic adj.
ΘΚΠ
the world > health and disease > ill health > a disease > disorders of internal organs > [adjective] > closure
obstruent1857
atresic1897
atretic1903
1903 Jrnl. Royal Microsc. Soc. 485 The atretic follicle differs from the developing corpus luteum in the absence of any discharge to the exterior.
1962 New Scientist 7 June 506/3 No distinction was made between normal and atretic egg cells.
This entry has not yet been fully updated (first published 1885; most recently modified version published online June 2018).
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n.1807