نتایج جستجو برای: corpus luteum
تعداد نتایج: 67210 فیلتر نتایج به سال:
The corpus luteum is a unique hormone-regulated, transient reproductive gland that produces progesterone, a required product for the establishment and maintenance of early pregnancy. In the absence of pregnancy the corpus luteum will cease to produce progesterone and the structure itself will regress in size over time. Although the process of luteal regression has been studied for several decad...
CONTEXT Blood vessel stabilization is regulated by angiopoietins and important for angiogenesis in the corpus luteum. OBJECTIVE To study angiogenesis and blood vessel stabilization in the human corpus luteum, changes in expression of angiopoietin (Ang)-1, Ang-2, and their specific receptor, Tie-2, together with the number of blood vessels and pericytes were examined in the corpus luteum throu...
The present study was conducted to investigate the effects of ovarian morphology on oocyte quantity and quality, as well as the effect of preincubated granulosa cells (PGCs) on in vitro maturation of buffalo oocytes and steroid hormone production. A total of 52 ovarian pairs were grouped into 3 types: Type I (with functional corpus luteum), Type II (with regressed corpus luteum), or Type III (w...
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