نتایج جستجو برای: reproductive system
تعداد نتایج: 2312722 فیلتر نتایج به سال:
The renin-angiotensin system (RAS) is well known as regulator of electrolytes and blood pressure. Besides this function, there are numerous studies supporting the idea of a local tissue RAS. This system controls the local activity of the different RAS family members, especially of the functional proteins Angiotensin II and Angiotensin (1-7). Those antagonistically acting proteins have been desc...
In adult tissues, capillary growth (angiogenesis) occurs normally during tissue repair, such as in healing of wounds and fractures. Rampant capillary growth is associated with various pathological conditions, including tumor growth, retinopathies, hemangiomas, fibroses and rheumatoid arthritis. The female reproductive organs (i.e., ovary, uterus, and placenta) exhibit dynamic, periodic growth a...
The copulatory act in Acanthocephala requires a complicated set of responses on the part of the male worm. The muscles associated with these responses include a set of bursal protrusor muscles plus a large bursal depressor muscle which participates in the eversion of the bursa. The anterior and posterior bursal accessory muscles are associated with the bursal depressor muscle and are described ...
the objective of the study was to evaluate the uterine histopathological changes in holstein dairy cows, within the range of 90-145 day in milk, with or without clinical history of reproduction system disorders. lactating holstein cows (n =133) with (n=92, 69.17%) or without (n= 41, 30.82%) recorded clinical signs of reproduction diseases were examined for uterine histopathological lesions. the...
In this study 2510 records of reproductive traits from the mating of 879 ewes with 164 rams of Bakhtiari sheep breed, during 1989 to 1997, were used in order to estimate the effects of environmental factors on their reproductive performance. The mean and standard errors of reproductive traits were as follows: conception rate, 0.9±0.01 number of lambs born per ewe exposed, 1.06±0.01 number of la...
In this study 2510 records of reproductive traits from the mating of 879 ewes with 164 rams of Bakhtiari sheep breed, during 1989 to 1997, were used in order to estimate the effects of environmental factors on their reproductive performance. The mean and standard errors of reproductive traits were as follows: conception rate, 0.9±0.01 number of lambs born per ewe exposed, 1.06±0.01 number of la...
Many changes of female reproductive system are based on the vascular activity and blood flow. In ovarian follicular development, re-anastomosis is critical and permits cells and oocytes to utilize nutrients as well as the hormones. Moreover, it plays a main role in corpus luteum formation. Female reproductive system undergoes several angiogenesis programs which are considered essential in order...
Objective(s): The adverse effects of pyridaben on reproductive system in male animals are not well established. This study was designed to elucidate how pyridaben can effects the histomorphometric, hormonal alternations and reproductive functions of BALB/c mice . Materials and Methods : For this study, 80 adult and apparently healthy male BALB/c mice were divided into three groups Viz, cont...
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