Define the difference between an ova (ovum) and an oocyte. Fertilization: Women are born with all of the oocytes they will have for a lifetime. As this number continually decreases as a woman ages, it affects her fertility, the ability to get pregnant. ...
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n.卵,卵子(名词ovum的复数形式) ova自然拼读 o·va ov ova英英释义 n.the female reproductive cell; the female gamete ova词组 fertilized ovum[医]受精卵 ova_医学行业词汇 〔单ovum〕卵 ova_昆虫学行业词汇 卵 ova儿童词典英英释义 oval1 of 2noun ...
In order to establish if there exists any ova or embryo releasing factor responsible for this difference, the prostaglandins released to the incubation medium by ovum or 3-day embryo were measured. Unfertilized ova produced significantly more PGE1 (p less than 0.05) than PGE2 or PGF2 alpha. ...
READ:A Major Reason Why People Must Have Sufficient Carbohydrate And Fat In The Diet Is To? Their life cycles start with growing into an adult animal which subsequently has offspring (ova). The significant difference is that the ovum carries half the number of chromosomes compared to other cell...
The zona pellucida (ZP) enclosing the mammalian ovum is important for its protection and for initial stages of fertilization, but the role of the ZP during embryo development is less clear. This study was designed to investigate if the hamster ZP is needed for embryo development from 1-cell ...
Thus, within each level of dissolved oxygen there was no appreciable difference in the products of time units and units of oxygen uptake. At 5 °C, 100% air saturation, mean hourly uptake was 0.0141 mg O2/ovum, and total uptake was 28.153 mg O2/ovum. At 10 °C, 100% air saturation,...
Although swim-up processing improved percent sperm motility, progressive motility, and normal morphology in teratospermic ejaculates (P < 0.05), no difference was observed in ovum penetration among the DR-treated, NS-treated, and SU-treated spermatozoa (P > 0.05). Culture medium had no effect...
We investigated water balance characteristics of emerald ash borer ova by using gravimetric methods in an effort to measure their response to heat- and water-stress and explore possible influences this stress may have on the ecology and physiology of the ovum. We also explored the possible water ...
OvumPregnancyMaterial from 329 tubal pregnancies has been examined histologically. In addition, the villous content of glucosaminoglycans was studied. Depending on the degree of the morphological changes three groups can be differentiated: 'abortion in association with normal placental findings', '...