نتایج جستجو برای: foetuses
تعداد نتایج: 921 فیلتر نتایج به سال:
Elephants have the longest pregnancy of all mammals, with an average gestation of around 660 days, so their embryonic and foetal development have always been of special interest. Hitherto, it has only been possible to estimate foetal ages from theoretical calculations based on foetal mass. The recent development of sophisticated ultrasound procedures for elephants has now made it possible to mo...
The present research was elucidated on the morphogenesis of mammary gland of buffalo during prenatal development. Total of 16 foetuses ranging from 1.2 cm (34 days) to 108 cm CVRL (curved crown rump length) (317 days) were used for study. The study revealed that mammary line was first observed at 1.2 cm CVRL (34 days), mammary hillock at 1.7 cm (37 days), and mammary bud at 2.6 cm CVRL (41 days...
With the use of conventional anatomical dissection, radiography, digital and statistical analysis, morphometry and skeletopy of the pancreas was carried out in 60 human foetuses of both sexes (28 female, 32 male) between the 17th and 40th week of intrauterine life. The material was fixed in a 10% formalin solution. The age of the foetuses was determined by crown-rump (CR) length measurement on ...
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...
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...
Toxoplasma gondii and Neospora caninum are protozoon parasites from the intracellular apicomplexan family. is cause of health economic problems in sheep industry worldwide. usually reported cows leads to infections causing abortions; however, its prevalence not clear. The present study aimed investigate pathology T. N. by PCR, histopathological immune-histochemical methods aborted foetuses coll...
The expression of the growth hormone receptor (GHR) gene was investigated in semitendinosus muscle during bovine foetal development in both normal and double-muscled Charolais foetuses which differ with respect to muscle development. Northern-blot analysis of foetal muscle RNA preparations with a GHR cDNA probe identified the 4.5 kb GHR mRNA as early as 130 days post-conception. In double-muscl...
BACKGROUND Porcine circovirus type 2 (PCV2) has been associated with several disease complexes, including reproductive failure. The aim of this study was to identify the subtypes of PCV2 that are associated with reproductive failure in pigs from the State of São Paulo, Brazil and to investigate co-infections with other infectious organisms. FINDINGS Samples of 168 aborted foetuses or mummifie...
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...
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