domingo, 5 de junio de 2011

REPRODUCTIVE SYSTEM VOCABULARY

We are going to begin with the most important concepts of this subject.
1. Fertilization: Union of a sperm and egg; occurs in a fallopian tube.
2. Fetus: Stage of a developing baby between the end of the 8th week after fertilization and birth.
3. Eggs: Female gametes or sex cells.
4. Embryo: Stage of a developing baby between implantation and the end of the 8th week after fertilization.
5. Epididymis: Male reproductive organ where sperm mature and are stored until they leave the body.
6. Estrogen: Main sex hormone in females.
7. Fallopian tubes: Female reproductive organs through which eggs pass to reach the uterus and where an egg may unite with a sperm.
8. Follicle: Nest of cells in an ovary that enclose an egg; protects egg during maturation prior to ovulation.
9. Implantation: Process in which the ball of cells that will become an embryo embeds in the lining of the uterus.
10. Menstruation: Monthly shedding of the lining of the uterus through the vagina; also called a menstrual period.
11. Penis: Male reproductive organ that carries urine and sperm out of the body.
12. Placenta: Spongy mass of blood vessels from the mother and fetus that allows substances to pass back and forth between the mother’s blood and the fetus’s blood.
13. Ovaries: Female reproductive organs that produce eggs and secrete estrogen.
14. Ovulation:Release of an egg by an ovary.
15. Semen: Milky liquid that contains sperm and secretions of glands; passes through the urethra and out of body.
16. Sperm: Male gametes or sex cells.
17. Testosterone:Main sex hormone in males.
18. Testes: Male reproductive organs that produce sperm and secrete testosterone.
19. Uterus: Female reproductive organ where a baby develops until birth.
20. Vagina: Female reproductive organ where sperm are deposited and through which a baby passes to leave the mother’s body during birth.
21. Umbilical cord: Tube containing blood vessels that connects a fetus to the placenta.
22. Zygote: Cell that forms when a sperm and egg unite; the first cell of a new organism.

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