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13 terms

FSU BSC 1105 CH 3: Human Reproduction

FSU BSC 1105 CH 3: Conception, Pregnancy, and Birth
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Activation
Series of biochemical changes in a sperm cell that affect its swimming motion and membrane to allow it to fuse with the egg.
Amniocentesis
Procedure for detecting fetal abnormalities in which the amniotic sac is punctured with a large hypodermic needle and amniotic fluid is withdrawn into a syringe for analysis.
Amnion
Inner membrane that holds the fetus suspended in amniotic fluid.
Amniotic fluid
Watery fluid that surrounds a developing embryo/fetus.
Blastocyst
Mass of cells that result from repeated divisions of the zygote.
Capacitation
Biochemical changes in a sperm cell that allow it to penetrate the egg.
Chorion
Outer membrane that forms the outer wall of the blastocyst.
Chorionic villi sampling
Procedure for detecting fetal abnormalities that involves examination of chorionic villi.
Conception
Union of sperm and egg; also called fertilization.
Infertility
Diminished ability to produce offspring.
Placenta
Structure through which the fetus derives its nourishment and rids itself of waste products.
Sterility
Inability to produce offspring.
Zygote
Fertilized ovum before cell division.