نتایج جستجو برای: foetuses
تعداد نتایج: 921 فیلتر نتایج به سال:
About 80 % of 8-cell mouse eggs developed to the blastocyst stage in culture, whether the zona pellucida was left intact, or removed with pronase (pre-incubated and dialysed) and the eggs then cultured singly or as fused pairs. When pronase was used without prior incubation and dialysis, the success rate was reduced to 50 %. After transfer to uterine foster-mothers, 20-30 % of apparently normal...
The part of foetal testosterone originating from the mother was explored in the guinea-pig at the time of sexual duct differentiation on day 32 of gestation. Using constant intravenous infusion of tritiated testosterone in the maternal compartment, total radioactivity (RA) and radioactive testosterone ([3H] T) and dihydrotestosterone ([3H] DHT) were measured in the maternal plasma, whole foetus...
Typological differentiation of coronary arteries binds to various areas of vascularisation, which could suggest essential differences between vasculatory dimensions. There are not many papers analysing the influence of heart vascularisation on epicardial vessel dimensions during postnatal human life, furthermore, there are hardly any papers dealing with the prenatal period. The subject of exami...
Structures of arachnoid in posterior cranial fossa have been examined during prenatal period. 100 foetuses were examined within IV up to VII month with CRL from 130 mm to 220 mm. Cuts were performed with especially constructed device what enabled ideal cross-section without disturbing of structures of arachnoid of dura mater. Image acquisition was done with the help of digital camera. The very ...
AIMS Outcome of foetuses diagnosed with tetralogy of Fallot (TOF) or pulmonary atresia with ventricular septal defect (PA-VSD) and the reliability of foetal echocardiography to predict post-natal surgical outcome. METHODS AND RESULTS Outcome of 218 foetuses having been diagnosed with TOF (n = 153) or PA-VSD (n = 65) was reviewed. Abnormal karyotyping, 22q11 deletion, and extracardiac anomalie...
Mummification of the bovine foetus is rare in cows. There is currently limited data available on the success of pregnancies following expulsion of mummified foetuses, especially after expulsion of twin mummified foetuses. This report describes a case of the expulsion of twin mummified foetuses from the uterus two days apart and the process of oestrous synchronisation for a new pregnancy of a fi...
Mammalian parthenogenetic embryos invariably die in mid-gestation from imprinted gene defects and placental hypoplasia. Based on chimera experiments, trophoblastic proliferation is supposed to be inhibited in the absence of a male genome. Here, we show that parthenogenetic mouse embryonic cell nuclei can be reprogrammed by serial rounds of nuclear transfer without using any genetic modification...
About 80 % of 8-cell mouse eggs developed to the blastocyst stage in culture, whether the zona pellucida was left intact, or removed with pronase (pre-incubated and dialysed) and the eggs then cultured singly or as fused pairs. When pronase was used without prior incubation and dialysis, the success rate was reduced to 50 %. After transfer to uterine foster-mothers, 20-30 % of apparently normal...
Apoptosis and proliferation and the effect of exogenous surfactant on these processes were investigated in the lungs of mechanically ventilated/oxygen-treated preterm infants with respiratory distress syndrome and stillborn foetuses. Apoptotic and proliferation indices were determined in lung tissue sections from 27 ventilated/oxygen-treated preterm infants and 29 stillborn foetuses. The effect...
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