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Chapter 51
Section 2
| Term | Definition |
|---|---|
| in the female reproductive system of animals, an organ that produces eggs; in flowering plants, the lower part of a pistil that produces eggs in ovules | ovary |
| a tube through which eggs move from the ovary to the uterus | fallopian tube |
| in female mammals, the hollow, muscular organ in which a ferilized egg is embedded and in which the embryo and fetus develop | uterus |
| the neck of the uterus | cervix |
| the female reproductive organ that connects the outside of the body to the uterus and that receives sperm during reproduction | vagina |
| the external part of the female reproductive organs | vulva |
| in some animals, one of a pair of lips around the mouth; also, in some female animals, one of two pairs of folds of skin and mucous membranes that cover and protect the openings of the vulva; in insects, a mouthpart that functions as a lower lip | labium |
| a mature egg cell | ovum |
| a series of hormone-induced changes in which the ovaries prepare and release a mature ovum each month | ovarian cycle |
| the female reproductive cycle, characterized by a monthly change of the lining of the uterus and the discharge of blood | menstrual cycle |
| the stage in which an immature egg completes its first meiotic division | follicular phase |
| a small, narrow cavity or sac in an organ or tissue, such as the ones on the skin that contain hair roots or the ones in the ovaries that contain the developing eggs | follicle |
| the release of an ovum from a follicle of the ovary | ovulation |
| the structure that forms from the ruptured follicle in the ovary after ovulation; it releases hormones | corpus luteum |
| the menstrual phase in which the corpus luteum develops | luteal phase |
| the discharge of blood and discarded tissue from the uterus during the menstrual cycle | menstruation |
| the termination of the menstrual cycle; occurs between the ages of 45 and 55 | menopause |