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39 Cards in this Set
- Front
- Back
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what are the accesory sex glands in males?
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seminal vesicles, prostate gland, and bulborethral glands
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external sac that supports testes
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scrotum
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elevates testes on exposure to cold
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cremaster muscle
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site of sperm production
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testes
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where in the testes are sperm formed?
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the seminiferous tubules
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what are the accesory sex glands in males?
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seminal vesicles, prostate gland, and bulborethral glands
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external sac that supports testes
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scrotum
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elevates testes on exposure to cold
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cremaster muscle
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site of sperm production
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testes
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where in the testes are sperm formed?
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the seminiferous tubules
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formation of sperm cells from spermatogonia
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spermatogenesis
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stem cells
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spermatogonia
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spermatogonia produce what? and make what diploid or haploid?
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primary spermatocyte, which are diploid, have 46 chrom.
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what do primary spermatocytes produce?
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4 haplood sperm cells
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the maturation of speamtids into sperm
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spermiogenesis
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stages of sperm development:
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spermatogonia> primary spermatocytes> 2 secondary spermatocytes> 4 spermatids> mature into spermatozoa
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secrete testosterone
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leydig cells
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sertoli cells function in what? (4)
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form blood testis barrier
support developing sperm celss produce fluid and control rls of sperm into lumen secrete inhibin |
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what part of the sperm contains the DNA
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head
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what part contains the mitochondria which make energy to propel the sperm through the tracts?
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the midpeice
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what is the tail used for?
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it is flagellum used for locomotion
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how long can sperm live in the femal repro tracT?
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48 hrs
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stimulates leydig cells to secrete testosterone
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LH
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hormone that stimulates spermatogenesis
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FSH
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what stimulates final steps of spermatogenesis?
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testosterone
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what is inhibin produced by?
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sertoli cells
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inhibin helps to regulate the rate of what process?
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spermatogenesis
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if sperm production is sufficient what is turned on?
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sertoli cells turn on inhibin
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of sprem production is being produced too slowly then what is turned on and what is turned off?
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off: inhibin
on: FSH |
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what is the duct system of the testes?
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semniferous tubules, straight tubules, rete testis, efferent ducts, and ductus epididymis
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what is pathway of sperm thru testis?
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semiferous tubules
straight tubules rete testis efferent ducts ductus epidiymis ductus deferens |
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site of sperm maturation and storage
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ductus epididymis
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what is the ductus deferens lined with
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pseudostratifed columnar epithelium
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adds alkaline and viscous fluid to sperm
contains fructose that nourishes sperm |
seminal vesicles
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adds ph 6.5 fluid that has citric acid that nourishes sperm and enzymes that liquify sperm
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prostate gland
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paired gland that PRODUCES alkaline mucous
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bulborethral glands
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mixture of sperm and seminal contains nutrients clotting proteins antibiotic substances
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semen
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upper paired erectile tissue masses
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corpora cavernosa
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lower erectile tissue mass
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corpus spongiosm
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