Words similar to ovulation
Example sentences for: ovulation
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Ninety-one percent were obtained between the 4 thand the 6 thday from ovulation.
All samples were collected approximately 5 days after the ovulation (approximately day 19 in a 28 day cycle).
Critical windows of activity in the sheep include: somatic ovarian tissue differentiation (from the gonadal ridges of the mesonephros) and growth (up to Day 50 of gestation); germ (from yolk sac endoderm) and pregranulosa (derived from the ovarian surface epithelium) cellular migration into and colonization of the ovaries (Days 30-65); clonal expansion of oogonia (Days 35-75); onset of meiosis and arrest (by Day 80) at the dictyate stage of prophase (the first division of meiosis is not completed until ovulation); and ovigerous cord regression and primordial follicle emergence (Days 65-110) [ 1 31 32 33 ] . It seems apparent that germ cells are particularly vulnerable to a metabolic insult when in the phasic transition between mitosis and meiosis I.
Females lack an estrous cycle and anestrous adults are dependent upon direct contact with a non-volatile male pheromone for induction of estrus [ 8 ] . Hormonal control of scentmarking and sexual behavior of this species (hereinafter, opossum) has been described in some detail [ 9 10 ] . Estrus is induced when females nuzzle scentmarks from the androgen-dependent suprasternal (chest) gland [ 10 11 ] . Nuzzling delivers nonvolatile chemical signals to the vomeronasal organ (VNO) [ 12 ] and surgical removal of the VNO prevents induction of estrus by scentmarks alone [ 13 ] , although cautery ablation of the VNO fails to prevent ovarian activation and ovulation in females that are caged with adult males [ 14 ] . While anestrous adults are reliant on male pheromone for reproductive activation, spontaneous postlactational estrus occurs in the absence of direct contact with male pheromone [ 15 ] .
After ovulation, the CL showed high levels of FS mRNA expression during luteinization at E 0200 h and E 1000 h and moderate levels at DI 1100 h (Fig.
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