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22 Cards in this Set
- Front
- Back
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Where does FSH have its effect?
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Stertoli cells
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Where does LH have its effect?
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Leydig cells to produce testosterone
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What is produced by Sertoli cells to prevent FSH secretion?
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Inhibin B
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What is a marker of testes and produced by Sertoli cells?
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AMH
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What is testoterone's effect on Sertoli cells?
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Activates
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What does testosterone due to LH and GNRH?
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Decrease them
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What does estrogen do for the male?
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Fluid absorption and trophic effect on semiferous tubles
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What do sertoli cells do for the sperm?
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Supportive, blood-testis barrier, phagocytic
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What secretory functions do sertoli cells have?
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Make inhibin
ABP (androgen binding protein) Growth factors (estradiol) |
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What does the epididymus do for sperm maturation?
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Secrete glycoproteins
Sialic acid Allow condensation of chromatin Gain mobility Storage |
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Where does capacitation occur?
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in the female tract
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Seminal fluid contains factors the do what to sperm
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Keep them decapcitated
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How is an erection obtained?
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NO release from endothelial PS nerves
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ED drugs work by
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Blocking phosphdiesterase-5 to keep cGMP from turning into GMP
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What needs to be closed off for emission?
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The bladder sphincter
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Emission needs what autonomic function
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Sympathetic
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What nerve is involved in ejaculation?
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Somatic pudental efferents
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Which channels are opened to get an erection?
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K+ hyperpolarize to relax smooth muscles
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What testicle problem is common in men between 15 to 25 and common cause of male infertitlity?
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Testicular varicocele
Left side usually effected |
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What does the bulbourethral gland do?
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Flush out urethra
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What does prostate do?
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Produce seminal fluid, acid phosphatase, amylase, citric acid
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What does the seminal vesicles do?
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Secretion of fructose
PGs amino acids and seminal fluid |
