Human Female Reproductive Organs.

In the junky-producing(prenominal) reproductive system, ova are produced in the ovaries, devil petty(a) organs set in the pelvic cavity at a lower place and to all side of the bellybutton. The ovaries too secrete the internal secretions estrogen and progesterone. The estrogen hormone causes the inspissate of the lining of the uterus and vagina in the ahead of time variant of the menstrual cycle. The estrogen hormone is also responsible for(p) for female secondary sex characteristics such as pubic haircloth and breasts, and they affect other tissues including the genital organs, skin, hair, blood vessels, bone, and pelvic muscles. progesterone induces secretory changes in the lining of the uterus that is very of the essence(predicate) in case the egg shortens fertilized. Being a steroid, progesterone is secreted mostly by the corpus luteum, a root volume of cells formed in the ovary by and by the follicle ruptures during the release of the egg cell. If medical d ressing does not take place, the secretion of progesterone decreases and menstruation occurs. If impregnation does occur, progesterone is secreted during pregnancy by the placenta and acts to hold open spontaneous abortion. The hormone also prepares the mammary glands for milk production. afterwards an ovum matures, it passes into the uterine tube, or fallopian tube. If there are sperm from sexual carnal knowledge (or artificial insemination) fertilization occurs .

The ovum, either fertilized or unfertilized, then passes deck the fallopian tube, aided by cilia in the tube, and into the womb, or uterus, a orotund organ specialized for tuition of a fertilized egg.          An inner uterine layer of tissue, the endom! etrium, undergoes changes as a result of the changing levels of the hormones secreted by the ovaries. The endometrium is thickest during the part of the menstrual cycle in which a fertilized ovum would be expected to don the uterus and is thinnest just after menstruation. If no fertilized... If you want to get a full essay, launch it on our website: OrderEssay.net

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