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Repro Week 1 > Male Anatomy > Flashcards

Male Anatomy Flashcards

(104 cards)

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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
what are the zones of the prostate gland?
transition central peripheral
26
what is in the central zone of the prostate?
surrounds the ejaculatroy duct
27
what is in the peripheral zone of the prostate?
inferior portion...includes the urethra
28
what is the name of the venous plexus in the prostate?
prostatic venous plexus
29
what does the prostatic venous plexus communicate with?
batsons plexus of vertebral column
30
name the three portions of the urethra
prostatic membranous spongy parts
31
what are the divisions of the spongy part of the urethra?
bulbous portion | penile portion
32
where is the membranous part of the urethra?
surrounded by the external urethral sphincter
33
what are the four main things in the spermatic cord/
ductus deferens testicular artery pampiniform plexus lymphatics/autonomic nerves
34
what is main goal of the pampiniform plexus in the scrotum?
to surround and cool the testes
35
where does the right testiclar vein drain into?
right into the IVC
36
where does the left testicular vein drain into?
left renal vein
37
what is a varicocele?
venous drainage blocked from a testi
38
what side is more common to get varicocele? why?
left because of right angle drainage into left renal vein
39
what is the name of the tissue surrounding the testicle?
tunica albuginea
40
what is the testicle divided into? what is the role of these?
lots of semineferous tubules that make sperm
41
where do sperm go from the semineferous tubules?
into the epididymis
42
what are the three parts of the epididymis?
head body tail
43
which part of the epididymis feeds into ductus deferens?
tail
44
the internal iliac divides into what two thing?
an anterior and posterior portion
45
which part of the internal iliac supplies blood to the male repro area?
anterior portion of the internal iliac
46
name the 7 branches of the internal iliac anterior division?
``` obturator umbilical artery to ductus deferens inferior vesical middle rectal inferior gluteal internal pudendal ```
47
what is the umbilical/superior vesical artery from the anterior portion of the internal iliac?
it is a branch from the umbilical artery that becomes the medial umbilical ligament
48
what does the inferior vesical from the anterior internal iliac feed
urinary bladder and the prostate
49
what does the internal pudendal from the anterior internal iliac feed
perineum
50
what are the three branches of the pudendal artery?
inferior rectal perineal artery dorsal penile
51
what does the inferior rectal artery feed?
anal sphincter
52
what does the perineal artery feed?
perineal structures
53
what does the dorsal penile artery feed?
vascular supply to the penis
54
what is the main nerve to the perineum?
pudendal nerve
55
what are the three branches of the pudendal nerve?
inferior rectal nerve perineal nerve dorsal penile nerve
56
what sensation is perceived by the inferior rectal nerve?
external anal sphincter
57
what sensation is perceived by the perineal nerve?
posterior scrotum
58
what sensation is perceived by the dorsal penile nerve?
penis
59
where do sympathetic nerves of the pelvic organs originate from?
t10-L2
60
what is the pelvic plexur/inferior hypogastric plexus?
it is where the para and sympathetic nerves converge in the pelvic area
61
the inferior hypogastric plexus is divided into how many parts? name them
3... prostatic vesical and rectal
62
what does the prostatic part of the inferior hypogastric send autonomic info to?
prostate and seminal vesicles
63
what does the vesical part of the inferior hypogastric send autonomic info to?
urinary bladder
64
what does the rectal part of the inferior hypogastric send autonomic info to?
rectum area
65
what covers the pelvic outlet?
pelvic diaphragm
66
what is below the pelvic outlet?
perineum...external genitalia
67
what are the divisions of the perineum?
urogenital triangle and the anal triangle
68
what are the two divisions of the penis?
root and body
69
the root of the penis is attached to what?
perineal membrane
70
what are the two parts of the root of the penis?
crura and bulb
71
what do the crura become near the pubic symphis?
corpus cavernosum
72
when the two corpus cavernosum fuse, what are they called?
corpora cavernosa
73
what muscle covers the crura?
ischiocavernosus
74
what muscle covers the bulb?
bulbospongiosus
75
what does the bulb become in the penis?
corpus spongiosum
76
what is the main erectile part of the penis?
corpora cavernosa
77
what leads to the head of the penis?
corpus spongiosum
78
what is the most superficial fascia of the penis?
dartos fascia
79
what is dartos fascia continuous with from the abdomen?
Scarpas fascia
80
what is the deep fascia of the penis called?
Bucks fascia
81
what does Bucks fascia surround?
all three corpora of the penis
82
what is the layer of penis fascia that is deep to Bucks fascia?
tunica albiginea
83
what does the tunica albuginea surround?
surrounds each individual corpus cavernosum
84
what artery supplies the deep structures of the penis?
deep penile arteries
85
what artery supplies the superficial structures of the penis?
dorsal penile artery
86
what vein drains the erectile portion of the penis?
deep dorsal vein
87
what does the deep dorsal vein of the penis join?
prostatic venous plexus
88
where does lymph from testes drain?
lumbar aortic nodes
89
where does lymph from the superficial perineum drain?
inguinal lymph nodes
90
where does lymph from the deep structures like erectile tissue drain?
iliac nodes
91
what nerves cause dilation of the deep penile arteries during erection?
cavernous nerves
92
what are the cavernous nerves an extension of?
pelvic splanchnic parasympathetic nerves
93
what is the superficial fascia of the perineum called?
colles fasciA
94
what is colles fascia an extension of?
scarpas fascia from the abdomen
95
what is the perineal membrane?
tough fibrous sheet that extends between the sichiopubic rami and is deep to colles fascia
96
what does the perineal membrane lie between?
superficial and deep perineal spaces
97
what mainly attaches to the perineal membrane?
platform for erectile tissues and muscles to attach to
98
name the three things in the superficial perineal space
bulb of penis crura of penis penis muscles
99
name the four things in the deep perineal space
membranous urethra cowpers glands branches of pudendal nerve deep transverse perineal muscles
100
what is the nerve that gives sesnation to the anterior aspect of the scrotum?
ilioinguinal nerve
101
is erection under symp or parasymp control?
parasymp control
102
what two things happen in erection?
dilation of deep penile arteries and constriction of the erectile muscles to prevent venous outflow
103
what nerve innervates erectile muscles?
pudendal nerve
104
is emission under symp or parasymp control?
sympathetic

Repro Week 1 (5 decks)

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