Reproductive System Vocabulary

1.corpus luteum- structure that forms from the tissues of a ruptured ovarioan follicle and seceretes female hormones.
2.epididymis- highly coiled tubule that leads from the seminiferous tubules of the testis to the vas deferens.
3.gonad- a sex cell-producing organ; an ovary or testis.
4.meiosis- a form of cell division that halves the genetic material, resulting in egg and sperm cells (gametes)
5.oocyte- an immature egg cell.
6.ovary- the primary reproductive organ of a female; an egg cell-producing organ.
7.placenta- structure attaching a fetus to the uterine wall, providing a conduit to receive nutrients and excrete wastes.
8.scrotum- a pouch of skin that encloses the testes.
9.seminiferous tubule- tubule within the testes where sperm cells form.
10.testis- primary reproductive organ of a male; a sperm cell-producing organ.
11.vulva- the external reproductive parts of the female that surround the openings of the vagina.
12.blastocyst- an early stage of prenatal development that consists of a hollow ball of cells.
13.embryo- a prenatal stage of development after germ layers form but before the rudiments of all organs are present.
14.fetus- a human embryo after eight weeks of development.
15.implantation- the embedding of a cleavage embryo in the lining of the uterus.
16.lactation- production of milk by the mammary glands.
17.umbilical cord- cordlike structure that connects the fetus to the placenta.
18.yolk sac- an extraembryonic membrane connected to the embryo by a long, narrow tube.
19.zygote- cell produced by the fusion of an egg and sperm; a fertilized egg cell.
20.ultrasound-