 starter in this topic we shall discuss the role of ovaries as endocrine tissue. ovaries produce and release mainly two groups of female sex hormones. మరవాపాతిలియరతిలాపితిందిత౿యాతిత౿యాతినిందితిటితిని. మారికొదికాపిసందిని. and astrogyans. Astrogyans include astrodiol, astron and astriol. ovaries also secrete to other hormones which are relaxing. This hormone is produced just prior to parturation or child birth. The other hormone is inhibin which signals the pituitary to inhibit the release of follicle-stimulating hormone. We shall discuss the role of progestron and astrogen in detail. These hormones work together to promote the development of female secondary sexual characters. They also maintain the uterine and ovarian cycles and also help in fertility of the female. These students, we shall discuss in detail the role of these two hormones in the uterine and ovarian cycles which are actually two linked reproductive cycles in human females. The uterine cycle also called the menstrual cycle involves cyclic changes in the uterus. This cycle is completed in 28 days in human females. The second cycle is the ovarian cycle. Its parallel is going on in ovaries and there are cyclic events in ovaries in which the growth of follicles and the process of ovulation is done. Dear students, these two cycles link the hormonal activity. These hormones, astrogen and progestron, they synchronize the follicle growth and ovulation with the establishment of uterine lining. In this way, the follicle growth and ovulation is happening in the ovary cycle. In the same parallel, the growth of the uterine lining is happening in the uterine cycle and they are synchronizing this with progestron and astrogens. Dear students, now we shall discuss that astrodiol is secreted during the ovary cycle which begins with the release of gonadotropin releasing hormone from the hypothalamus. This gonadotropin releasing hormone stimulates the pituitary to release FSH and LH. These two hormones are involved in the stimulation of follicle growth. When the follicles are growing, their thika internal cells start to secrete astrodiol which is an astrotron. Dear students, the amount of astrodiol rises slowly during the follicular phase till the maturation of oocyte. Just prior to ovulation, estrogen levels are at their peak. These astrogens feed back positively to the pituitary and hypothalamus which result in producing a surge in the rise of FSH as well as LH. Dear students, the rise we FSH may or LH may it accelerates the maturation and development of follicles. When follicle completes its maturation, then it ruptures. This stimulus of rupturing comes from leutinizing hormone. As a result, egg or ovum is released. Dear students, when FSH, when ovulation has occurred, FSH stimulates the secretion of another hormone from the ovarian follicles that is called the inhibin hormone. This inhibin is produced by another type of cells in the follicle which are called granulosa cells. Its secretion reaches peak near the ovulation. It feeds back the anterior pituitary to suppress the release of follicle stimulating hormone. But it does not suppress the release of leutinizing hormone. Dear students, when the ovum is released, leutinizing hormone transforms the ruptured follicle into a temporary endocrine tissue which is called carpus leutium. This carpus leutium secretes estrogen and progesterone. These estrogen and progesterone feed back negatively on hypothalamic guinedotropin releasing hormone which causes decrease in the secretion of both FSH and LH. Dear students, the ovarian and utrin cycles are synchronized when the increasing estrogen concentration during the follicular phase simultaneously stimulates proliferation of the endometrium tissue and endometrium tissue lining of the uterus. In this way, in the follicular phase, all the estrogen is developed or produced, along with the endometrium, that is, the wall of the uterus becomes thicker. Later, progesterone plays a more role in stimulating the secretion of the endometrial fluid as a result of which the uterus is prepared for the implantation of fertilized ovum. But if fertilization is not done, then carpus leutium degenerates in about 14 days. As a result, the secretion of estrogen and progesterone drops. In humans and some other primates, when carpus leutium degenerates, the lining developed in the uterus also breaks and shuts down. This phenomenon is called menstruation. However, if the egg is fertilized and is implanted, an active carpus leutium is maintained. So, estrogen and progesterone's secretion continues. ये उसवक तक चलता है, ये वली carpus leutium से estrogen and progesterone's secretion उसवक तक जारी रहती है, जब तक के place and top fully develop कर जाए, और फेर मुकमल तोर पर इन्हारमोंस की प्रडक्छन को, वो अपने कंट्रोल में ले ले लेता है, at this stage, carpus leutium degenerates. However, in many mammals, for example rats, carpus leutium degenerate नहीं करता, बलके ये प्रोलेक्टिन से स्तिमूलेत होता है, और कुन्तिन्युस तु सिंतिसाइस, तु स्तिमूलेत होता है,