Example sentences for: ovulation

How can you use “ovulation” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • A number of reports have characterized constitutive expression of HSP70 and HSP90 in both immature oocytes and ovulated eggs from various species [ 32 33 34 35 36 ] . HSP70 and HSP89 are constitutively synthesized in the immature, preovulatory mouse oocyte, although the expression is not heat-inducible [ 37 ] . Levels of HSP70 mRNA decrease following oocyte maturation and ovulation [ 38 ] , and HSP70 is one of the first genes to be transcribed at the onset of zygotic gene activation in the early 2-cell mouse embryo [ 39 40 ] . Interestingly, while previous investigators did not localize HSP70 to the oolemma, they did demonstrate that the presence of anti-HSP70 antibody reduces bovine sperm-egg binding in vitro.

  • Equally important, other studies have shown that loss-of-function and naturally occurring mutations in BMP ligands and receptors are associated with dysregulation of folliculogenesis and ovulation [ 14 15 16 17 18 19 ] . Of particular interest is the finding that ewes having a mutation in the bmp15 gene in both alleles are infertile whereas the heterozygotes are superfertile [ 16 ] . Thus, the bmp15 gene can control ovulation quota through a dosage-sensitive mechanism.

  • BMP-2 mRNA expression in the dominant follicle was rapidly down-regulated following ovulation.

  • First, the classical view of CL development is that luteinization is inhibited by oocyte-derived luteinization inhibitors [ 32 40 41 ] , two of which have been identified as BMP-6 and -15 [ 8 12 ] . Therefore, the loss of oocyte BMP-6 and -15 at ovulation undoubtedly plays an especially prominent role in activating luteinization.

  • This kit detects the mid-cycle rise of LH using morning urine with a sensitivity of 35 mIU/mL of LH and its predictive validity with respect to ovulation has been estimated as 93% [ 14 ] . Although the use of a minimum progesterone value to exclude data from anovulatory cycles from the analyses helped ensure acquisition of the mid-luteal phase samples, only 52% of samples were obtained on exactly the 5 thday from ovulation.

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