FSU BSC 1105 CH 3: Human Reproduction

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FSU BSC 1105 CH 3: Conception, Pregnancy, and Birth

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fetal abnormalities in which the amniotic sac is punctured with a large hypodermic needle and amniotic fluid is withdrawn into a syringe for analysis.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.

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