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male reproductive sy
male reproductive system
| Question | Answer |
|---|---|
| what is the production of sperm called | spermatogenesis |
| where is the testes located at | they hang in the scrotum, posterior to the base of the penis |
| what is the tissue of the scrotum | Dartos |
| what is Dartos | A thin layer of smooth muscle,cause the characteristic wrinkling of the scrotal surface |
| what is the cremaster | a layer of skeletal muscle,that contract to pull the testes closer to the body. |
| where does the production of sperm begins at | semineferous tubules |
| sperm leaves a semineferous tubules through a maze called | rete testes |
| where does the male reproductive systems begins at | epididymus |
| where does sperm matures at | epididymus |
| how long is the sperm maturation | 2 weeks |
| what are the compounds of a sperm | head,middle,neck and tail |
| what is the sperm tail made of | flagella |
| what is the function of the head of the sperm | the head contains the enzymes for fertilization |
| what is the function of the neck of the sperm | neck attaches the head to the middle piece |
| what does the middle piece consist of | middle piece has a mitochondria spiral that holds the ATP energy to move the tail |
| what makes the tail of the sperm move | the tail is flagelum that moves the sperm from one place to another |
| what is the storage area for damaged or maturing sperm | epididymus |
| what is the ductus deferens | a passageway that carries sperm from the epididymus to the ejaculatory duct-40-45cm long |
| what makes up the ejaculatory duct | the juction of the ductus deferens and the seminal vesicles |
| what makes up 60% of the volume of semen in the seminal vesicles | fructose,fibrogen and prostaglandins |
| what is the function of the prostate gland | secretes a milky acidic fluid that makes up 30% of semen |
| what is the other name for the bulbourethal gland | cowpers gland |
| what is the function of the bulbourethral gland | secretes a thick sticky alkaline mucous that helps neutralize urinary acids in the uretha |
| what properties does the bulbourethral gland has | has lubricating properties |
| how many bulbourethral glands are there | 2- paired gland |
| what are the compounds of semen | seminal vesicles-60%prostate gland---30%epididymus & sustentacular cells-5%bulbourethral glands-5% |
| what is the normal sperm count | 20-100 million/ml |
| how much semen is expelled from the penis for each ejaculation | 2-5ml |
| what is the function of the penis | tubular organ which the urethra passes throughserves as a passageway for urine to exit the bodyintroduces semen into the female vagina during intercourse. |
| what is the penis composed of | root-fixed part that attaches penis to body/wallbody/shaft-contains erectile tissueglans-expanded distal end that surrounds the urethral opening |
| what is the foreskin called | prepuce |
| what does the foreskin covers | it is attached to the neck & covers the glans |
| what is surgical removal of the foreskin called | circumcision |
Created by:
ambey
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