نتایج جستجو برای: animal morphology
تعداد نتایج: 349180 فیلتر نتایج به سال:
Prior to ICSI the cumulus-oophorous-complex of the oocyte is commonly remove with impure animal-derived hyaluronidase of low strength. The lower strength of the enzyme, the high concentration of impurities and the necessity of extensive time-dependent mechanical denudation damages of the oocytes, increases the risk of lysing the oocytes and the transfer of animal-derived pathogens. All this can...
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Birgus latro or walnut crab is the largest land arthropod animal in world, this has a unique and complex anatomy body morphology that supports its survival. The research objective was to describe anatomy, morphology, habitat, behavior, role, nutrition, reproductive system, immune gas exchange blood circulation, digestive excretory osmoregulation. method used literature review. This type of form...
Ongoing climate change is affecting animal physiology in many parts of the world. Using metabolism, the oxygen- and capacity-limitation of thermal tolerance (OCLTT) hypothesis provides a tool to predict the responses of ectothermic animals to variation in temperature, oxygen availability and pH in the aquatic environment. The hypothesis remains controversial, however, and has been questioned in...
Sperm tests provide a direct and effective way of identifying chemical agents that induce spermatogenic damage in man. Four human sperm tests are available: sperm count, motility, morphology (seminal cytology) and the Y-body test. These sperm tests have numerous advantages over other approaches for assessing spermatogenic damage, and they have already been used to assess the effects of at least...
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