atresia

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atresia

[ə′trē·zhə]
(medicine)
Imperforation or closure of a natural orifice or passage of the body.
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References in periodicals archive ?
Mature females may present previtellogenic, vitellogenic and atretic follicles, and corpora lutea.
Reproductive cycle of a high-elevation, oviparous lizard (Sceloporus spinosus: reptilia: phrynosomatidae)
Thus, according to study results, it can be concluded that waves emitted from mobile phones may reduce the number of secondary and Grapian follicles by interfere in controlling routines and also increase the atretic follicles that can have adverse effect on fertility of female rats.
The effects of mobile phone waves on the reproductive physiology in adult female rats
In addition, ovaries from BPA500 animals had fewer corpora lutea, fewer antral follicles, and more atretic follicles than did those from controls.
Neonatal exposure to bisphenol A and reproductive and endocrine alterations resembling the polycystic ovarian syndrome in adult rats
Surgical reconstruction of the congenitally atretic cervix: Two cases.
Radiological case of the month: Sumer Kumar Sethi, MD; Ravi Shankar Solanki, MD; Brajesh Kumar Singh Chauhan, MD
Throughout the year atretic oocytes were observed (<1%) (Fig.
Reproductive cycle of leopard grouper Mycteroperca rosacea (Streets, 1877) held in captivity: relationship between gonad development and sex steroid concentration
To determine if atretic process is affected by the hor- monal status of the host, atretic primary and secondary follicles were morphologically discriminated (Fig.
Endocrine Integration of Fetal Ovaries Grafted under Kidney Capsule of Unilaterally or Bilaterally Orchidectomized Male Hamster/Integracion Endocrina de Ovarios Fetales Trasplantados bajo la Capsula Renal de Hamster Machos Uni o Bilateralmente Castrados
The gametogenic cycle in bivalves includes development and maturation of gametes, spawning, and subsequent resorption of residual atretic gametes (Kennedy & Battle 1964, Pipe 1987, Dorange & Le Pennec 1989, Barber 1996).
Effects of coal particles in aquatic sediments on organ tissues of rainbow mussels Villosa iris (unionidae)
Three cases had CNS anomalies (corpus callosum anomaly and atretic occipital encephalocele) (Figure-2 and 3).
Joubert syndrome: the clinical and radiological findings
The atretic follicles were present throughout the year but they were abundant during autumn (spent ovaries) and winter (resting ovaries) and these atretic follicles indicated the spawned individuals.
Seasonal histological changes in gonads of the catfish (CLARIAS LAZERA)
Degenerating female follicle and Atretic oocytes were clearly detected in post-spawned P.
The Reproductive Cycle of Potomida littoralis (Cuvier, 1798) (Bivalvia: Unionidae) in Lake Golbasi, Turkey
Dural herniation with atretic brain tissue excised and dura was closed.
CRANIOPLASTY OUR EXPERIENCE IN LAST 5 YEARS
Jegede [6] further investigated the control of reproduction in Oreochromis niloticus using Hibiscus rosa-sinensi (Linn) leaf meal as reproduction inhibitor and showed disintegration of spermatids and necrosis in testes and severe atretic follicles in ovaries at a high inclusion level of 4.0 g/kg diet.
Control of reproduction in Oreochromis niloticus (L) using crude extract of Azadirachta Indica saponin

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