Test 6 part 2
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how does blood flow cause a penis to become erect?
- blood filling lacuna causes increased pressure
- tight covering of corpora restricts swelling so pressure increase further
- pressure blocks venous outflow
what initiates (erect) blood flow?
initiated by parasympathetic nerves
describe the corpus spongiosum
- non-erectile tissue
- contains the urethra
what is the refractory period?
period after male orgasm when erection is not possible
hormones that begin puberty in males come from ______.
what does luteinizing hormone do in males?
causes production of testosterone by interstitial cells
libido in males in produce by what hormone?
what is testosterone produced in males?
interstitial (Leydig) cells
the ovary is held against the uterus by _____.
the coverings of testis and ovary are called ______.
when do eggs begin meiosis?
shortly before birth
each adult oocyte is surrounded by a ______.
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