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HUBS192 > lecture 34 > Flashcards

lecture 34 Flashcards

1
Q

what are the gonads?

A

organs where gametes (sex cells) are produced

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2
Q

What is the other word for testes?

A

spermatozoa

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3
Q

where’s the spermatozoa produced?

A

testes

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4
Q

where are the oocytes produced?

A

ovaries

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5
Q

what is the purpose of coitus?

A

so that gametes can fuse to form an embryo

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6
Q

what are the bones that make up the pelvis?

A

hip bones (ilium + ischium)
sacrum
coccyx

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7
Q

what are the differences between female and male pelvis

A

females are broader and shallower, with a wider sup-pubic angle with a more posterior pointing coccyx

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8
Q

which is bigger, pelvic inlet or outlet?

A

inlet

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9
Q

what closes the pelvic outlet?

A

muscles

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10
Q

what are the two pelvic subdivisions?

A

false/greater pelvis

true/lesser pelvis

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11
Q

what is the true/lesser pelvis?

A

inferior region between inlet and outlet which contains internal reproductive organs

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12
Q

what is contained in the false/greater pelvis?

A

GI tract

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13
Q

what is the shape of the female pelvic inlet compared to males?

A

oval inlet in females compared to a more heart shaped inlets in males

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14
Q

what are the openings in the pelvic floor?

A

urethra
anal canal
vagina (females)

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15
Q

what are the two muscles of the pelvic floor?

A

levator ani

coccygeus

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16
Q

where is the male perineum?

A

region inferior to the pelvic floor and between upper region of the thighs

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17
Q

what is included in the male perineum?

A

external genitalia and anus

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18
Q

what are the two triangular divisions of the male perineum?

A

urogenital triangle

anal triangle

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19
Q

functions of the male reproductive system?

A

produce spermatozoa and transport spermatozoa into the female reproductive tract

20
Q

what is the male reproductive system made up of?

A

testes
reproductive tract/duct
accessory structures and glands

21
Q

the path that sperm travels along is?

A

testes -> epididymis -> ductus (vas) deferens ->

ejaculatory duct -> urethra

22
Q

what does the scrotum contain?

A

two testes
two epididymides
two spermatic cords

23
Q

what do the testes produce?

A

sperm
testosterone
inhibin

24
Q

what is the capsule that surrounds the testes?

A

tunica albuginea

25
Q

what is contained in the testes lobules?

A

seminiferous tubules

26
Q

the seminiferous tubules join to form?

A

rete testis

27
Q

rete testis join to form what?

A

ductules leading to epididymis

28
Q

what produces testosterone?

A

interstitial endocrine (Leydig)

29
Q

what produces inhibin?

A

Nurse (sertoli) cells

30
Q

parts of the epididymis?

A

head
body
tail

31
Q

where does sperm enter and exit in the epididymis?

A

enters via the seminiferous tubules and exit via ductus deferens

32
Q

where is sperm maturation?

A

epididymis

33
Q

where does the epididymis continue on to?

A

the ductus deferens

34
Q

where does the ductus deferens start?

A

spermatic cord

35
Q

what kind of muscle covers the ductus deferens?

A

smooth muscle

36
Q

the ductus deferen runs behind?

A

urinary bladder

37
Q

the ductus deferens dilates to form what?

A

ampulla

38
Q

what forms the ejaculatory ducts?

A

the union of the duct from the seminal vesicle and the ampulla

39
Q

where do the ejaculatory ducts open into?

A

prostatic urethra

40
Q

two functions of the urethra?

A

urination and ejaculation

41
Q

epithelium in male urethra?

A

transitional
columnar
epithelium

42
Q

three regions of the urethra?

A

prostatic
membranous
penile/spongy

43
Q

what muscle is the internal urinary sphincter?

A

detrusor muscle

44
Q

what is the role of the detrusor muscle during ejaculation?

A

closes bladder ensuring sperm ejaculated through urethra

45
Q

what is retrograde ejaculation?

A

sphincter doesn’t close up and sperm ends up in the bladder

HUBS192 (38 decks)

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