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Male Reproductive System
na
10
Anatomy
Undergraduate 2
05/03/2010

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Cards

Term
Three parts of the reproductive system
Definition
1. Gonads
2. Ducts
3. Accessory Organs
Term
What temperature is the scrotum?
Definition
5.5 F below body heat
Term
Four ways to maintain temperature in the testes within the scrotum.
Definition
1. Suspended away from the body.
2. Countercurrent blood flow
3. Cremaster - elevates into body
4. Dartos - wrinkles skin to conserve heat
Term
What tuboles are in the testes
Definition
seminiferous tuboles which have sustentacular cells and interstitial cells
Term
The two types of cells in the seminiferous tuboles in the testes?
Definition
1. Sustentacular cells (sperm)
2. Interstitial cells (testosterone)
Term
Which cell produces testosterone in the testes?
Definition
Interstial Cells
Term
What cells produce sperm in the testes?
Definition
Sustentacular cells
Term
Trace the route of the duct system
Definition
1. From the seminiferous tuboles in the testes to
2. Epididymis to the
3. Ductus deferens, which carries the sperm out over the pubic bone, over the bladder, and down into the
4. ampulla, which joines with the seminal vescicle to create the
5. Ejaculatory duct, which travels through the prostate before emptying into the
6. Urethra!
Term
What closes off the bladder during ejaculation?
Definition
Internal Urethral Sphincter
Term
Two muscles of the penis
Definition
1. Corpora cavernosa
2. Corpora spongiousum
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