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Test 7
second pg of notes
15
Anatomy
11th Grade
04/12/2016

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Term
presence of permits cord creates weak points in the abdominal wall and sometimes the passageway does not completely seal off after testes descend and protrusions of visceral tissues or organs occupy the inguinal canal (relatively common in males)
Definition
inguinal hernia
Term
Why are inguinal hernias rare in women?
Definition
females have a very small inguinal canal
Term
The partition between the two testes is marked by a raised thickening in the scrotal surface called what?
Definition
raphe
Term
layer of smooth muscle that causes wrinkling of scrotal surface
Definition
dartos muscle
Term
skeletal muscle that tenses the scrotum and pulls the testes closer to the body
Definition
cremaster muscle
Term
dense layer of connective tissue with numerous collagen fibers that cover each testis
Definition
tunica albuginea
Term
How many seminiferous tubules does a typical testis contain?
Definition
about 1/2 million
Term
What is the function of seminiferous tubules?
Definition
sperm production
Term
What do the spaces between the seminiferous tubules contain?
Definition
interstitial cells
Term
What is another term for interstitial cells?
Definition
cells of Leydig
Term
What do the interstitial cells in the spaces between the seminiferous tubules produce?
Definition
testosterone
Term
division of sex cells, where one cell divides twice to produce 4 cels with half the original number of chromosomes

division of sex cells that takes two divisions (1 and 2) and produces four cells with 23 chromosomes each (in humans)
Definition
meiosis
Term
division of somatic (body) cells that contain 23 pair (46) chromosomes
Definition
mitosis
Term
daughter cells that contain members of each chromosome pair (total 46)
Definition
diploid cells
Term
cells that contain only 1 member of each pair of chromosomes (23 total)
Definition
haploid cells
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