نتایج جستجو برای: embryo liver
تعداد نتایج: 390190 فیلتر نتایج به سال:
background: it has been demonstrated that performing a mock embryo transfer (et) significantly improves the pregnancy rate in ivf cycles. the mock et could be performed prior to the stimulation cycle or immediately before real et. the problem of the first procedure is the possibility of variation in the uterine position and or cervico�uterine angle. objective: the purpose of this study was to d...
background: natural endometrium in frozen-thawed embryo transfer (fet) may have some benefits upon implantation in patients with repeated implantation failure (rif). it might be due to possible differences between natural and stimulated endometrial growth factors and cytokins secretions. objective: the objective of this study was to compare the pregnancy rate of fet on modified natural cycle ve...
1. The activity of rat liver microsomal sulphite oxidase (EC 1.8.3.1) was increased several-fold on aging of microsomes, on delipidation by extraction with acetone or on solubilization with deoxycholate, suggesting its existence in a cryptic state. 2. In rat liver most of the sulphite oxidase was present in the nuclear fraction and only a small portion in the microsomes. 3. Microsomal sulphite ...
The liver is the main site of fat synthesis and plays an important role in study deposition poultry. In this study, we investigated developmental changes duckling livers isolated primary duck hepatocytes. Firstly, observed morphological from embryonic period to first week after hatching. Liver weight increased with age. Hematoxylin-eosin Oil Red O staining analyses showed that hepatic lipids gr...
Normal and neoplastic rat liver was analyzed for deoxycytidylate deaminase and thymidylate synthetase. For these assays, highly sensitive radiochemical methods capable of detecting the formation of less than 0.001 /~mole of deoxyuridylate and thymidylate were employed. Deoxycytidylate deaminase was found in normal adult rat liver, rat embryo liver, regenerating liver, Novikoff hepatoma, Dunning...
The 5 day chick embryo liver cell still lacks many of the ultrastructural features of the adult liver cell. During organ culture on rafts over Eagle's medium, it develops electron-opaque mitochondria with granules, biliary microvilli, and compact Golgi complexes containing what appears to be secretory material. Rough ER proliferates and free ribosomes become bound to membrane. Thus, the 5 day c...
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