Male Reproduction

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Author:
jess03
ID:
17508
Filename:
Male Reproduction
Updated:
2010-05-03 16:15:42
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Biology
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Final
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  1. What enzyme is needed to penetrate the egg?
    Acrosomein the sperm's head.
  2. What is the most common bacterial STD?
    Chlamydia
  3. What is needed to flush the remaining semen from the urethra?
    Seminal vesicle fluid
  4. Final stage of ________ disease may cause paralysis and dementia.
    Final stage of Neurosyphillis disease may cause paralysis and dementia.
  5. What helps buffer vaginal acidity?
    Prostatic fluid
  6. ____________ activates proseminogelin to allow sperm to be sticky.
    Prostate Clotting Enzyme activates proseminogelin to allow sperm to be sticky.
  7. Name the enzyme that liquifies semen to activate sperm.
    Serine protease (PSA)
  8. ____________ disease causes condylomas and is caused by papilloma viruses.
    Genital Warts disease causes condylomas and is caused by papilloma viruses.
  9. ________ disease that has symptoms that are discharge painful urination and is known as the "clap"
    Gonorrhea disease that has symptoms that are discharge painful urination and is known as the "clap"
  10. The most common STD in the US is __________ caused by __________ causing red blisters.
    The most common STD in the US is Genital herpes caused by herpes simplex 2 causing red blisters.
  11. An abnormal dilation of veins of the spermatic card is ___________.
    An abnormal dilation of veins of the spermatic card is varicocele.
  12. Erection is an automatic reflex mainly by _________ nerve fibers through the ____________ nerves at level S2-S4, cause release of ________ to relax deep arteries to ______________ with blood.
    Erection is an automatic reflex mainly by parasympathetic nerve fibers through the pudendal nerves at level S2-S4, cause release of nitric oxide to relax deep arteries to fill with blood.
  13. Sex cells are called _____________when they combine to form a fertilized egg, it is call a _______________
    Sex cells are called gametes when they combine to form a fertilized egg, it is call a zygote.
  14. Primary sex organs are ___________, in th male ____________ in the female ______________
    Primary sex organs are gonads, in th male testes in the female ovaries.
  15. Secondary sex organs in the male include: __________, _____________, ____________...... In the female ___________, _____________, _______________.
    Secondary sex organs in the male include: ducts, glands, penis...... In the female uterine tubes, uterus, vagina.
  16. most of our cells have ____________ pairs of charomosomes, _________ autosomal, ___________ sex.
    most of our cells have 23 pairs of charomosomes, 22 autosomal, 1 sex.
  17. Every egg carries _________ chromosomes, sperm carry 1/2 _______ and 1/2 __________
    Every egg carries X chromosomes, sperm carry 1/2 X and 1/2 Y
  18. Sex of a child is determined by ___________ at time of _____________ (fertilization)
    Sex of a child is determined by male at time of conception (fertilization)
  19. Gonads develop at _______ weeks in the fetus, the _______(wolffian) duct in ___________. The _____________(mufferian) duct in the ___________.
    Gonads develop at 5 to 6 weeks in the fetus, the mesonephric(wolffian) duct in males. The paramesonephric(mufferian) duct in the females.
  20. Development of a _____________ result from the _______ of androgens, not the presence of ___________.
    Development of a female result from the absence of androgens, not the presence of estrogen.
  21. Homeologous structures include: Penis-_________ scrotum-_________
    Homeologous structures include: Penis-clitoris scrotum-labia majorum
  22. The ____________ is a fold of the peritoneum that seperates and becomes a sac called the ___________ that covers the anterior and lateral ____________.
    The vagina process is a fold of the peritoneum that seperates and becomes a sac called the tunica vagimalis that covers the anterior and lateral lateral testes.
  23. The condition of undescended testes is called ____________, and occurs in ____% of males.
    The condition of undescended testes is called cyptochidism, and occurs in 3% of males.
  24. The descent of the testes begin at ____ weeks and is completed by _____ month.
    The descent of the testes begin at 6 weeks and is completed by 7th month.
  25. The connective tissue cord from gonad to abdominopelvic floor is: _____________
    The connective tissue cord from gonad to abdominopelvic floor is: Gubernaculum_
  26. What is the name of the gland that is 60% of the semen?
    Seminal vesicles
  27. What regulates sperm production and suppresses FSH?
    Inhibin
  28. What is the white fibrous capsule surrounding the testes?
    Tunica albuginea
  29. What secretes testosterone?
    Leydig cells
  30. What neutralizes the acidity of the urine?
    Cowper gland
  31. Name the part that cover part of the testes and is from the peritoneum.
    Tunica vaginalis
  32. What kind of tissue is the foreskin that is removed during circumcision?
    Prepuce
  33. Where does the milky secretion that makes up 30% of semen come from?
    Prostate gland
  34. Name the connective tissue from the scrotumthrough the inguinal ring.
    Spermatic gland
  35. Name the blood sinuses in erectile tissue.
    Lacunae
  36. What is the site where sperm mature and are stored?
    Epididymis
  37. What is the name of the tight junction that limits proteins from crossing?
    Blood-testes barrier
  38. What protects and nourishes germ cells?
    Seratoli cells
  39. Name the cylindrical bodies that fill with blood during erection.
    Erectile tissue
  40. Sperm moves from testes to the ___________, which is about 18ft long and takes sperm about ___ days to travel through, then goes as fertile spern to _________ a muscular tube about 18 inches long, joins with the duct from ___________to form the _______________, goes through the _____________ gland and into the urethra.
    Sperm moves from testes to the epididumis, which is about 18ft long and takes sperm about 20 days to travel through, then goes as fertile spern to vas deferens a muscular tube about 18 inches long, joins with the duct from seminal vesicle to form the ejaculatory duct, goes through the prostate gland and into the urethra.
  41. Puberty starts around ______ years old in boys and _______ years old in girls.
    Puberty starts around 10 to 12years old in boys and 8 to 10 years old in girls.
  42. Adolescence is from the onset of _____________ secretion until reaching __________.
    Adolescence is from the onset of gonadotropin secretion until reaching full height.
  43. Brain-_________ axis is the hypothalamus-___________-gonads
    Brain-testicular axis is the hypothalamus-pituitary-gonads
  44. ____________ stimulates intestinal cells to produce ____________.
    LH stimulates intestinal cells to produce testosterone.
  45. _________________ has an effect on ___________ and sperm production.
    FSH has an effect on testosterone and sperm production.
  46. The sex drive is also called ____________, where testosterone is converted to _____________.
    The sex drive is also called libido, where testosterone is converted to estrogen.
  47. The progess of germ cells undergoing 2 divisions to form ___________ daughter cells, that form sperm occurs in the ____________.
    The progess of germ cells undergoing 2 divisions to form 4 daughter cells, that form sperm occurs in the seminiferous tubules.
  48. ____________ is the process that reduces the chromosome number to _____ unpaired chromosomes.
    Meiosis is the process that reduces the chromosome number to 23 unpaired chromosomes.

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