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anatomy and physiology of Ovaries and Vagina (VAGINA (is a muscular,…
anatomy and physiology of Ovaries and Vagina
OVARIES
Ovaries are endocrine glands, producing the hormones progesterone and estrogen-sex hormones that govern early development and contribute to the menstrual cycle
Each ovary is about 4 cm long and 2 cm wide
The ovarian ligament attaches it to the uterus while a suspensory ligament attaches it to the pelvic wall.
During ovulation, an ovum is dispensed from an ovary's surface and is carried into the fallopian tube, where it proceeds to the uterus.
VAGINA
is a muscular, hollow tube that extends from the vaginal opening to the cervix of the uterus.
It is situated between the urinary bladder and the rectum. It is about three to five inches long in a grown woman.
The muscular wall allows the vagina to expand and contract.
The muscular walls are lined with mucous membranes, which keep it protected and moist
A thin sheet of tissue with one or more holes in it, called the hymen, partially covers the opening of the vagina.
vagina is made up of three layers, an inner mucosal layer, a middle muscularis layer, and an outer fibrous layer.
FUNCTIONS
they shelter and protect the eggs a female is born with until they are ready for use.
ovaries produce female reproductive hormones called estrogen and progesterone, and some lesser hormones called relaxin and inhibin.
ovaries release one egg, or sometimes more, each menstrual cycle. This process is called ovulation.
FIMBRIAE
Fingerlike in shape, the fimbriae are projections that are attached to the ovaries.
Before ovulation (the release of an ovum), the fimbriae become positioned close to the ovarian follicle surface.
Cilia, hairlike organelles, on the fimbriae beat in rhythmic waves, creating currents that sweep the ovum into the fallopian tube.
FUNCTIONS
Receives a male's erect penis and semen during sexual intercourse.
Pathway through a woman's body for the baby to take during childbirth.
Provides the route for the menstrual blood (menses) from the uterus, to leave the body.
May hold forms of birth control, such as a diaphragm, FemCap, Nuva Ring, or female condom.