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Science 9 chpt 4 set three
n/a
7
Science
9th Grade
01/07/2011

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Term
scrotum
Definition
a protective sac that encloses the testes
Term
semen [SEE-muhn]
Definition
the sperm and the seminal fluid combined
Term
sex-linked
Definition
characteristic a trait that is controlled by a gene on the X chromosome
Term
stem cell
Definition
unspecialized cell that has the ability to reproduce itself and differentiate into a specialized cell
Term
surrogate
Definition
mother a woman who carries embryos produced by in vitro fertilization for an infertile couple
Term
testes (singular is testis)
Definition
produce and nourish sperm as they develop, and also produce testosterone testosterone [tess-TOSS-tuhr-own] the male sex hormone produced by the testes
Term
urethra
Definition
in males, a tube that transports both sperm and urine outside the body uterus [YOO-tuh-ruhs] the organ in which the embryo develops; also called the womb
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