搜索结果: 46-60 共查到“知识库 家畜组织胚胎学”相关记录621条 . 查询时间(3.358 秒)
Comparison of the bone response to xenogenic bone screws and metallic screws in canine femur
xenogenic bone screw metallic bone screw micro-CT canine femur
2015/4/17
The study compared the bone response to xenogenic screws and metallic screws of a similar design in a canine femur. The xenogenic bone screws and metallic bone screws were inserted into the femur diap...
Reduction of epidural fibrosis after laminectomy in rabbits by omental free graft
spinal surgery extradural fibrous tissue omentum rabbit model
2015/4/17
Epidural fibrosis is an extradural scar tissue formed after a laminectomy procedure. It is associated with persistent pain after spinal surgery and an increased risk of complications during revision s...
Causes and consequences of maternal age-related aneuploidy in oocytes: a review
aneuploidy oocyte maternal age meiosis spindle assembly checkpoint
2015/4/17
Although a positive correlation between aneuploidy and maternal age was first reported almost a century ago, the underlying mechanisms remain mostly unknown. Different hypotheses regarding age-related...
The structure and role of mammalian sperm RNA: a review
sperm spermatozoal RNA fertilisation
2015/4/17
The main role of sperm is the delivery of the paternal genome into the oocyte during fertilisation. However, several lines of evidence have indicated that mammalian spermatozoa contribute more than ju...
Corpus luteum development and its morphology after aspiration of a preovulatory follicle is related to size and steroid content of the follicle in dairy cows
post-partum period ultrasound fertility progesterone oestradiol follicle fluid
2015/4/17
Secretion of adequate levels of progesterone from a proper corpus luteum (CL), which develops out of the cells of a healthy preovulatory follicle, is a key-factor for establishment of a pregnancy. The...
Gliomatosis of the spinal cord in a cat: a case report
feline medulla neoplasia clinic pathology
2015/4/17
Gliomatosis cerebri situated in the thoracolumbar and lumbosacral segments of the spinal cord was diagnosed in a Persian 10.5-year old tom cat. Clinical manifestation consisted of rump ataxy, weakened...
Familial incidence of mammary gland tumours in the Djungarian hamster (Phodopus sungaros): a case report
hamsters neoplasias atypical fibrosarcoma mammary gland clinic pathology molecular biology
2015/4/16
Tumours of the mammary gland were diagnosed in one female Djungarian hamster (Phodopus sungaros) and in two of her daughters from two litters. Altogether, five tumours were diagnosed. Three of them we...
The expression of caspase-3, caspase-7, caspase-9 and cytokeratin AE1/AE3 in goats with enzootic nasal adenocarcinoma: an immunohistochemical study
enzootic nasal adenocarcinoma caspase-3 caspase-7 caspase-9 cytokeratin A
2015/4/16
The aim of this study was to examine the expression of caspase-3, caspase-7, caspase-9 and cytokeratin AE-1/AE-3 using the avidin-biotin complex (ABC) immunoperoxidase technique in 20 goats with enzoo...
Single fixed-time laparoscopic intrauterine insemination as a tool to obtain low-diversity porcine embryos
laparoscopic insemination embryo diversity pig
2015/4/16
Double fixed-time insemination after ovulation induction is commonly used in pigs to obtain in vivo produced embryos at defined stages of development for downstream biotechnological applications. Howe...
Expression of cyclin-dependent kinase inhibitors (CDKN1, CDKN5) in developmentally competent and incompetent porcine oocytes
Cdkn1 Cdkn5 oocyte developmental competence
2015/4/16
Although several reports have been published regarding the cyclin-dependent kinases (Cdks) in developmentally competent mammalian oocytes, still little is known about their expression pattern in devel...
Thickness of the substantia compacta of porcine long bones
porcine bones compact bone bone measurement swine
2015/4/16
Mechanical load on the bone influences bone tissue and its inner tension, subsequently affecting bone formation and its histological structure. A precise understanding of this load and the development...
The role of TGF superfamily gene expression in the regulation of folliculogenesis and oogenesis in mammals: a review
TGFs oogenesis folliculogenesis regulation of gene expression
2015/4/16
The normal differentiation of follicles from the preantral to the antral stage is regulated by the synthesis and secretion of several important growth factors. Moreover, the proper growth and developm...
Vaginal fold prolapse and transmissible venereal tumour related to ovarian remnant syndrome in a bitch: a case report
bitch ovarian remnant syndrome transmissible venereal tumour vaginal fold prolapse
2015/4/16
A four-year-old cross-breed and neutered bitch weighing 24 kg, was presented with vaginal bleeding for one month and a vaginal mass identified two previously. An ovariohysterectomy operation was perfo...
The invasive and new non-invasive methods of mammalian oocyte and embryo quality assessment: a review
oocyte embryo quality microfluidics
2015/4/16
The quality of oocytes-embryos can be determined by several techniques, including morphological, molecular, cellular and biochemical ones. The morphological methods of female gamete or embryo quality ...
Evaluation of the developmental toxicity of 2-phenoxyethanol and clove oil anaesthetics using the Frog Embryo Teratogenesis Assay: Xenopus (FETAX)
eugenol amphibian anaesthesia teratogenic index malformation
2015/4/16
The developmental toxicity of two anaesthetics, 2-phenoxyethanol and clove oil, used in aquaculture was evaluated using the Frog Embryo Teratogenesis Assay: Xenopus (FETAX) and the results were compar...