نتایج جستجو برای: organ culture technique
تعداد نتایج: 967740 فیلتر نتایج به سال:
background: the basal medium that supports isolated mouse oviduct (imo) is important for supporting embryo development and quality. methods: the culture of ovine ivm/ivf zygotes was done in imo using sofaacibsa and sofaabsa as basal medium of imo and in sofaabsa alone as control. for preparation of imo mature inbred strain c57bl/6 female mice were synchronized and mated with vasectomized males....
A presentation of techniques for organ culture and an evaluation of the effects of organ culture on human and animal corneas is presented. The gross and microscopic appearance of cultured corneas, phase contrast microscopic study, and histopathology of organ-cultured corneas are discussed. These obseivations show that corneas can be stored in organ culture and that after prolonged in vitro pres...
Organ culture developed about 50 years ago, mainly for the study of morphogenesis in embryological tissue. Fell and co-workers in Cambridge studied many embryological events in vitro (Fell, 1940), and organ culture came to be defined as that type of culture where complete rudiments or fragments of organs were cultivated with a minimum of outgrowth and enlarged as a whole (Fell, 1953; Parker, 19...
objective: growth differentiation factor 9b (gdf9b) is an oocyte-derived growth factor. this protein is essential for the development of ovarian follicles and acts mainly by binding to its receptor on the surface of granulosa cells. the effect of gdf9b on the growth of follicles in various developmental stages, particularly primordial and primary follicles, is unknown. thus the aim of this stud...
Recently, ex vivo three-dimensional organ culture systems have emerged to study the physiology and pathophysiology of human organs. These systems also have potential as a translational tool in tissue engineering; however, this potential is limited by our ability to longitudinally monitor the fate and action of cells used in regenerative therapies. Therefore, we investigated luciferase-mediated ...
abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...
Organ cultures of human Fallopian tubes were infected with Mycoplasma hominis. Scanning and transmission electron microscopy revealed swelling of the cilia of the tubal epithelial cells in infected cultures. In some, the entire cilia were swollen; in others, only the tips. Uninfected cultures kept for up to 7 days showed no structural changes in the cilia or other surface structures. M. hominis...
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