atresia

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atresia

[ə′trē·zhə]
(medicine)
Imperforation or closure of a natural orifice or passage of the body.
References in periodicals archive ?
Histological observation of the development of follicles and follicular atresia in imamture rat ovaries.
44) In pig ovaries, as in those of other species, apoptotic cell death induces follicular atresia.
Nevertheless, follicular atresia is a process that can occur in various phases (31).
HCl caused widespread follicular atresia which subsequently disrupted the process of follicular maturation and selection and consequently resulted in a partial block in ovulation (Gbotolorun et al.
Ovarian cycle of Crotaphytus collaris (Reptilia, Lacertilia, Iguanidae) from Arkansas with emphasis on corpora albicantia, follicular atresia, and reproductive potential.
Each biopsy sample was fixed as above and examined as an unstained and stained whole mount to compare the intensity of follicular atresia found in both preparations.
Radiation-induced chromosome aberrations in guinea-pig growing oocytes and their relation to follicular atresia.
Hyperinsulinemia may also directly cause premature follicular atresia and antral follicular arrest8.
Light microscopic, enzime biochemical and steroid analytical investigations of follicular atresia in the ovary of domestic goose.