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The ovaries lie within the peritoneal cavity, on either side of the uterus, to which they are attached via a fibrous cord called the ovarian ligament. The ovaries are uncovered in the peritoneal cavity but are tethered to the body wall via the suspensory ligament of the ovary , which is a posterior extension of the broad ligament of the uterus.
The fallopian tubes are two tubes leading from the ovaries into the uterus. On maturity of an ovum, the follicle and the ovary's wall rupture, allowing the ovum to escape and enter the fallopian tube. There it travels toward the uterus, pushed along by movements of cilia on the inner lining of the tubes. This trip takes hours or days.
Download as PDF; Printable version; ... The ovarian cortex is the outer ... This article incorporates text in the public domain from the 20th edition of Gray's Anatomy
Each ovary contains hundreds of egg cells or ova (singular ovum). Approximately every 28 days, the pituitary gland releases a hormone that stimulates some of the ova to develop and grow. One ovum is released and it passes through the fallopian tube into the uterus. Hormones produced by the ovaries prepare the uterus to receive the ovum.
Ovulation is an important part of the menstrual cycle in female vertebrates where the egg cells are released from the ovaries as part of the ovarian cycle. In female humans ovulation typically occurs near the midpoint in the menstrual cycle and after the follicular phase. Ovulation is stimulated by an increase in luteinizing hormone (LH).
In the more posterior region, the suspensory ligament is attached to the upper pole of ovary and infundibulum of fallopian tube via a continuous tissue called the broad ligament. In sum, the suspensory ligament consists of a single connective tissue that has different regional notations, the peritoneum and the broad ligament.
Only 1 in 14 million of the ejaculated sperm will reach the fallopian tube. The egg simultaneously moves through the fallopian tube away from the ovary. One of the sperm encounters, penetrates and fertilizes the ovum, creating a zygote. Upon fertilization and implantation, gestation of the fetus then occurs within the uterus. [10] [11] [12] [13]
Some sources define the adnexa as the fallopian tubes and ovaries. [1] Others include the supporting tissues". [2] Another source defines the appendages as the "regions of the true pelvis posterior to the broad ligaments". [3] One dictionary includes the fallopian tubes, ovaries, and ligaments (without specifying precisely which ligaments are ...