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For those females exhibiting regular estrous cycles, serum concentrations of progesterone and estradiol on the day of estrus were comparable across groups, as were the numbers of oocytes obtained from flushed oviducts (data not shown).
Oocyte lectin histochemistry: Some denuded oocytes of left oviducts on poly-L-lysine coated slides were placed in 10% buffered formalin solution as a fixator for 20 min and washed in PBS (phosphate buffered saline) solution (3 times, each 10 min).
Of the eight female Orchard Orioles that were collected from 30 May-5 June, four were SY and four were ASY; none had laid but one of the ASY females had her first egg in her oviduct, possibly suggesting earlier breeding by older females.
It is well documented that various parts of the avian eggshell are formed in specific regions of the oviduct as the egg passes through them.
Patients treated at HOPDs had lower odds of unexpected hospitalization after undergoing colonoscopy, debridment of skin and other tissues, arthroscopy, repair of inguinal hernia, laparoscopic cholecystectomy, and laparoscopic occlusion and fulguration of oviducts in the models that used both types of risk-adjustment.
The number of oocytes in the ovaries was estimated (as described above) and the number of ova in the oviducts were predicted from oviduct weight (Fig.
In this sense, the inner surface of the oviduct, as well as the oviductal fluid have drastic effects on the aforesaid biological processes.
The two eggs found together with the bones during the expedition might have been inside the oviducts of the Bonapartenykus female when the animal perished.
Oviducts of adults treated neonatally with genistein had abnormal morphology with gene expression patterns similar to that observed in the posterior cervical and vaginal tissues, as indicated by altered Hoxa gene patterning during the time of treatment and dramatic, permanent up-regulation of homeobox genes (e.
To elucidate further the role of NT4 in the female reproductive system and facilitate attempts to improve understanding of the mechanisms involved in infertility and embryo development, the presence of NT4 and TrkB in the ovaries, oviducts, and uteri of adult cows during the follicular and luteal phases was investigated.
Ovaries and oviducts were excised and weighed using a Mettler Toledo Analytical Balance (model AB54-S).
Five stages were noted: (1) Quiescent: no yolk deposition; (2) Yolk deposition: early vitellogenesis in progress with basophilic yolk granules; (3) Enlarged follicles > 5 mm; yolk filled follicles are approaching ovulation; (4) Oviductal eggs: ovulation has occurred; (5) Embryos are developing within the oviducts.