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Growth & Development

TermDefinition
Fertilization The joining together of a male sperm cell and a female egg cell.
Embryo A developing organism from the time of fertilization to about the eighth week of development.
Fetus A developing organism from the end of the eighth week of the mother's pregnancy until birth.
Placenta A thick, rich tissue that lines the walls of the uterus during pregnancy and that nourishes the fetus.
Umbilical Cord A tube that connects the fetus and the mother's placenta.
Cervix The entrance of the uterus.
Scrotum Muscular sac that contains the testes
Vas Deferense Tubes that extend from each epididymis to the urethra.
Sperm The male sex cell that enters the egg cell during fertilization.
Epididymis A network of tubes in which the sperm mature and are stored temporarily.
Testes Two small glands that produce sperm and hormones.
Testosterone Primary male sex hormone
Pituitary Gland Gland that signals other endocrine glands to produce hormones when needed.
Endocrine System The body's chemical communication system that regulates many functions.
Estrogen Female sex hormone
Ovulation The release of one mature egg cell each month.
Menstruation Lining material, the unfertilized egg, and some blood flow out of the body.
Uterus A pear shaped organ inside a female's body where a fetus is protected and nourished.
Vagina A muscular passage-way from the uterus to outside the body.
Egg The reproductive cell from the female that joins with a sperm cell to make a new life.
Endometrium The lining of the uterus.
Abstinence The conscious, active choice not to participate in high-risk behaviors.
Created by: user-1988090
 

 



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