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Repro Week 1 > Male Anatomy > Flashcards

Male Anatomy Flashcards

1
Q

what vessel does the ureter cross over on way to bladder?

A

external iliac

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2
Q

what are the two portions of the ureter?

A

abdominal and pelvic portions

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3
Q

what vessel crosses over the abdominal ureter?

A

gonadal vessels

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4
Q

what four vessels supply the abdominal ureter/

A

renal
gonadal
aorta
common iliac

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5
Q

what two vessels supply the pelvic ureter?

A

internal iliac

vesical

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6
Q

what covers the bladder on the anterior surface?

A

peritoneum

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7
Q

what is just posterior to the bladder?

A

rectum

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8
Q

what is special about the space between the bladder and the rectum?

A

named the recovesical pouch and is the most inferior point in male abdominpelvic cavity…fluid will collect here

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9
Q

what is the muscle of the bladder called?

A

detrusor smooth muscle

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10
Q

where is the fundus of the bladder?

A

most posterior superior portion

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11
Q

where is the apex of the bladder?

A

most anterior superior portion

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12
Q

what are the seminal vesicles?

A

paired convoluted tubules that make 70% of seminal fluid

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13
Q

where are the seminal vesicles located?

A

on the inferior posterior aspect of the bladder

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14
Q

what do the seminal vesicles join with at the bladder/prostate jxn?

A

ductus deferens

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15
Q

when the seminal vesicle and the ductus deferens come together, what is this called?

A

the ejaculatory ducts

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16
Q

what does the ejaculatory duct pierce through?

A

the prostate

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17
Q

what bladder muscle contracts during ejaculation to prevent backflow?

A

internal urethral sphincter

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18
Q

what are the glands inferior to the prostate along the ejaculatory duct?

A

cowpers or bulbouretheral ducts

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19
Q

what do cowpers glands make?

A

alkaline mucus…called pre ejaculate

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20
Q

what surrounds the prostate gland?

A

a fibromuscular capsule

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21
Q

what does the prostate gland surround?

A

the urethra

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22
Q

where is the external urethral sphincter located?

A

at inferior most aspect of the prostate

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23
Q

name the three lobes of the prostate

A

anterior
posterior
middle

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24
Q

what lobe of prostate is felt on rectal exam?

A

posterior

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25
Q

what are the zones of the prostate gland?

A

transition
central
peripheral

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26
Q

what is in the central zone of the prostate?

A

surrounds the ejaculatroy duct

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27
Q

what is in the peripheral zone of the prostate?

A

inferior portion…includes the urethra

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28
Q

what is the name of the venous plexus in the prostate?

A

prostatic venous plexus

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29
Q

what does the prostatic venous plexus communicate with?

A

batsons plexus of vertebral column

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30
Q

name the three portions of the urethra

A

prostatic
membranous
spongy parts

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31
Q

what are the divisions of the spongy part of the urethra?

A

bulbous portion

penile portion

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32
Q

where is the membranous part of the urethra?

A

surrounded by the external urethral sphincter

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33
Q

what are the four main things in the spermatic cord/

A

ductus deferens
testicular artery
pampiniform plexus
lymphatics/autonomic nerves

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34
Q

what is main goal of the pampiniform plexus in the scrotum?

A

to surround and cool the testes

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35
Q

where does the right testiclar vein drain into?

A

right into the IVC

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36
Q

where does the left testicular vein drain into?

A

left renal vein

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37
Q

what is a varicocele?

A

venous drainage blocked from a testi

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38
Q

what side is more common to get varicocele? why?

A

left because of right angle drainage into left renal vein

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39
Q

what is the name of the tissue surrounding the testicle?

A

tunica albuginea

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40
Q

what is the testicle divided into? what is the role of these?

A

lots of semineferous tubules that make sperm

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41
Q

where do sperm go from the semineferous tubules?

A

into the epididymis

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42
Q

what are the three parts of the epididymis?

A

head body tail

43
Q

which part of the epididymis feeds into ductus deferens?

A

tail

44
Q

the internal iliac divides into what two thing?

A

an anterior and posterior portion

45
Q

which part of the internal iliac supplies blood to the male repro area?

A

anterior portion of the internal iliac

46
Q

name the 7 branches of the internal iliac anterior division?

A 
obturator
umbilical
artery to ductus deferens
inferior vesical
middle rectal
inferior gluteal
internal pudendal
47
Q

what is the umbilical/superior vesical artery from the anterior portion of the internal iliac?

A

it is a branch from the umbilical artery that becomes the medial umbilical ligament

48
Q

what does the inferior vesical from the anterior internal iliac feed

A

urinary bladder and the prostate

49
Q

what does the internal pudendal from the anterior internal iliac feed

A

perineum

50
Q

what are the three branches of the pudendal artery?

A

inferior rectal
perineal artery
dorsal penile

51
Q

what does the inferior rectal artery feed?

A

anal sphincter

52
Q

what does the perineal artery feed?

A

perineal structures

53
Q

what does the dorsal penile artery feed?

A

vascular supply to the penis

54
Q

what is the main nerve to the perineum?

A

pudendal nerve

55
Q

what are the three branches of the pudendal nerve?

A

inferior rectal nerve
perineal nerve
dorsal penile nerve

56
Q

what sensation is perceived by the inferior rectal nerve?

A

external anal sphincter

57
Q

what sensation is perceived by the perineal nerve?

A

posterior scrotum

58
Q

what sensation is perceived by the dorsal penile nerve?

A

penis

59
Q

where do sympathetic nerves of the pelvic organs originate from?

A

t10-L2

60
Q

what is the pelvic plexur/inferior hypogastric plexus?

A

it is where the para and sympathetic nerves converge in the pelvic area

61
Q

the inferior hypogastric plexus is divided into how many parts? name them

A

3…
prostatic
vesical and
rectal

62
Q

what does the prostatic part of the inferior hypogastric send autonomic info to?

A

prostate and seminal vesicles

63
Q

what does the vesical part of the inferior hypogastric send autonomic info to?

A

urinary bladder

64
Q

what does the rectal part of the inferior hypogastric send autonomic info to?

A

rectum area

65
Q

what covers the pelvic outlet?

A

pelvic diaphragm

66
Q

what is below the pelvic outlet?

A

perineum…external genitalia

67
Q

what are the divisions of the perineum?

A

urogenital triangle and the anal triangle

68
Q

what are the two divisions of the penis?

A

root and body

69
Q

the root of the penis is attached to what?

A

perineal membrane

70
Q

what are the two parts of the root of the penis?

A

crura and bulb

71
Q

what do the crura become near the pubic symphis?

A

corpus cavernosum

72
Q

when the two corpus cavernosum fuse, what are they called?

A

corpora cavernosa

73
Q

what muscle covers the crura?

A

ischiocavernosus

74
Q

what muscle covers the bulb?

A

bulbospongiosus

75
Q

what does the bulb become in the penis?

A

corpus spongiosum

76
Q

what is the main erectile part of the penis?

A

corpora cavernosa

77
Q

what leads to the head of the penis?

A

corpus spongiosum

78
Q

what is the most superficial fascia of the penis?

A

dartos fascia

79
Q

what is dartos fascia continuous with from the abdomen?

A

Scarpas fascia

80
Q

what is the deep fascia of the penis called?

A

Bucks fascia

81
Q

what does Bucks fascia surround?

A

all three corpora of the penis

82
Q

what is the layer of penis fascia that is deep to Bucks fascia?

A

tunica albiginea

83
Q

what does the tunica albuginea surround?

A

surrounds each individual corpus cavernosum

84
Q

what artery supplies the deep structures of the penis?

A

deep penile arteries

85
Q

what artery supplies the superficial structures of the penis?

A

dorsal penile artery

86
Q

what vein drains the erectile portion of the penis?

A

deep dorsal vein

87
Q

what does the deep dorsal vein of the penis join?

A

prostatic venous plexus

88
Q

where does lymph from testes drain?

A

lumbar aortic nodes

89
Q

where does lymph from the superficial perineum drain?

A

inguinal lymph nodes

90
Q

where does lymph from the deep structures like erectile tissue drain?

A

iliac nodes

91
Q

what nerves cause dilation of the deep penile arteries during erection?

A

cavernous nerves

92
Q

what are the cavernous nerves an extension of?

A

pelvic splanchnic parasympathetic nerves

93
Q

what is the superficial fascia of the perineum called?

A

colles fasciA

94
Q

what is colles fascia an extension of?

A

scarpas fascia from the abdomen

95
Q

what is the perineal membrane?

A

tough fibrous sheet that extends between the sichiopubic rami and is deep to colles fascia

96
Q

what does the perineal membrane lie between?

A

superficial and deep perineal spaces

97
Q

what mainly attaches to the perineal membrane?

A

platform for erectile tissues and muscles to attach to

98
Q

name the three things in the superficial perineal space

A

bulb of penis
crura of penis
penis muscles

99
Q

name the four things in the deep perineal space

A

membranous urethra
cowpers glands
branches of pudendal nerve
deep transverse perineal muscles

100
Q

what is the nerve that gives sesnation to the anterior aspect of the scrotum?

A

ilioinguinal nerve

101
Q

is erection under symp or parasymp control?

A

parasymp control

102
Q

what two things happen in erection?

A

dilation of deep penile arteries and constriction of the erectile muscles to prevent venous outflow

103
Q

what nerve innervates erectile muscles?

A

pudendal nerve

104
Q

is emission under symp or parasymp control?

A

sympathetic

Repro Week 1 (5 decks)

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