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Reproductive System

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Muscular System, Endocrine System, Homeostasis, Heart

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These follicles slowly but surely grow with the resultant discharge of oestrogen into the blood stream. At around the 10th day one of the hair follicles becomes distinctly larger than the mediocre. This huge follicle is known as the major follicle. The other hair foillicle stop growing and become atretic and eventually pass away out. Excess estrogen realeased by the follicle works on the uterine endometrium making it to proliferate. This indicates the start of the uterine cycle. The dominating follicle reaches 18-20mm in size and will rupture on the fourteenth – sixteenth day from the menstrual cycle. This procedure is known as after ovulating and its signals the end in the follicular period and the start of the luteal period.

The Luteal phase

After the ovum is usually released selected changes happen within the follicle. The follicular cells grow, fat can be deposited in them and so they assume a yellowish color. They become generally known as luteal skin cells and the whole follicle is known as corpus luteum. These cells of the a luteum generate the junk progesterone which similarity to oestrogen serves on the uterine endometrium. The levels of these human hormones peak throughout the 24th day time of the period. If motherhood occurs the corpus luteum enlarges in size and creates more progesterone that is used to maintain pregnancy. If perhaps pregnancy does not occur the corpus luteum decreases in proportion and becomes atretic. Subsequently progesterone levels fall. If perhaps progesterone is definitely below a certain threshold level it is not able to maintain the proliferated uterine endometrium with resulting shedding and bleeding. This kind of shedding in the uterine endometrium is what is known as menstruation.

The hormonal dangerous the period

The hormone regulation of the menstrual cycle is usually under control of what is known since the hypothalamic pituitary ovarian axis. The hypothalamus emits a decapeptide known as Gonadotropin releasing body hormone or GnRH. This is produced into the hypophyseal portal system where it works on the preliminar pituitary (Sherman et approach., 1979). GnRH is a neurohoermone and its released in pulsatile mother nature. The action of GnRH is low during child years but its activity increases during puberty The anterior pituitary the releases two hormones. The Luteinizing hormone plus the follicle exciting hormone. The LH and FSH are released in to the systemic blood circulation where they will act on the prospective organs. These kinds of Hormones are known as gonadotropins because they act on the testes and the ovaries. They can be glycoproteins and they are generally comprised of an alpha and a beta subunit. Its is the beta subunit that is certainly unique to each of these hormones. Luteinizing junk stimulates the secretion of sex steroid drugs from both the testes and the ovaries. In the testes LH stimulates the synthesis of testosterone. The theca cells of the ovary also generate the production of testosterone yet this testo-sterone is ultimately converted into female by the granulosa cells. FSH is important intended for the growth of ovarian follicles it is is also necessary for sperm production and growth by their action on the sertoli cells.

Effects about other human body organs

The endocrine glands oestrogen and progestron that are produced by the action of LH and FSH also make up to other systems of the body. For the cardiovascular system excess estrogen decreases the availability of antithrombin III and increases platelet aggregation. This kind of causes a pro-thrombotic result and may predispose patients to deep vein thrombosis and pulmonary bar. In the stomach tract excess estrogen is known to increase the production of cholesterol and reduce the motility of the tum. Increase in hypercholesteria production may well predispose the individual to atheroma and thrombosis. On the musckuloskelatal system oestrogen is known to boost the formation of bone and minimize the resorption of bone fragments. Subsequently ladies who have lower levels of oestrogen are at a higher risk of expanding osteoporosis. Estrogen is also recognized to affect lipid and protein production. Oestrogen is known to raise the hepatic development of joining proteins and increases the production of Low density Lipoproteins while the converse is true for high density lipoproteins. Similarly progesterone is known to act on other systems apart from the reproductive program. Its is recognized to relax the smooth muscle and so reduce jerks. On the cardiovascular system its is known to maintain homeostasis with regards to bloodstream clotting. Progestrone is also an organic diuretic an all-natural anti-depressant that reduces stress. It is also energizes bone creation and is known to normalize zinc and birdwatcher levels.

Current research has been dedicated to the investigation of infertility challenges. Some of which give no consider for the effects of numerous chemicals such as endocrine disrupters on the female reproductive program. Current exploration do however suggest that appropriate identification in the appropriate impact as well as the position of the chemical compounds (endocrine disrupter) may shed some light on the causes of unknown fertility among females (Pitsos and Stamati, 2001)

Ovarian analysis

The ovarian research is devoted the examination of both the simple physiology plus the biology in the female ovary with the goal of improving the clinical outcomes. This can be mainly inside the study from the polycystic ovary syndrome. The existing research is specialized in the analysis of the cell biology. This is certainly with a focous on the ovarian follicle. These researches consist of:

The investigation of the position played by leucocytes (macrophages) in the ovary as well as the way that they have a great interaction with oocytes, theca and granulose layers

The investigation of the mechanism by which polycystic ovary syndrome is usually exclusively stated as well as the contribution of that the androgen radio action provides in the process.


Pitsos and Stamati (2001). The impact of endocrine disrupters on the female reproductive system http://humupd.oxfordjournals.org/cgi/reprint/7/3/323.pdf

Sherman BM, Wallace RB and Jochimsen PR. (1979)Hormonal dangerous the period in women with cancer of the breast: effect of adjuvant chemotherapy. Sherman BM, Wallace RB, Jochimsen PR.

Silva et approach. (2003). Calcifications in Ovary and Endometrium and Their Neoplasms.


Vermon, HH (1857). The Physiology, Pathology, and Therapeutics of the Motor Features of the Womb


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