Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

IMG1016: superficial structures > scrotal sonography > Flashcards

scrotal sonography Flashcards

1
Q

The testes are symmetric, oval-shaped glands residing in the ________________.

A

scrotum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The seminiferous tubules are connectes to straight tubules which lead to the ___

A

Rete testis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The largest part of the epididymis is the __________________ , measuring 6 to 15 mm in width.

A

head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The ductus epididymis becomes the ________________________ and continues in the spermatic cord.

A

vas deferens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The testis is completely covered by a dense, fibrous tissue termed the ____________________.

A

tunica albuginea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The ____________________ supports the ducts coursing within the testis.

A

Mediastinum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The space between the layers of the tunica vaginalis is where __________________ can form.

A

hydroceles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The ___________________ is a continuation of the ductus __________________.

A
  • vas deferens

- epididymis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The vas deferens dilates at the terminal portion near __________________.

A

seminal vesicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

An extension of the internal oblique muscle that descends to the testis with the spermatic cord

A

cremasteric muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Connect the seminal vesicle and the vas deferens to the urethra at the verumontanum

A

ejaculatory ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Anatomic structure formed by the network of ducts leaving the mediastinum testis that combine into a single convoluted epididymal tubule

A

epididymis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Central linear structure formed by the convergence of multiple thin septations within the testicle, which are invaginations of the tunica albuginea

A

mediastinum testis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Plexus of veins in the spermatic cord that drain into the right and left testicular veins

A

pampiniform plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Partially supply the scrotal wall and epididymis and occasionally the lower pole of the testis

A

pudendal artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Sac containing the testes and epididymis

A

scrotum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Reservoirs for sperm located posterior to the bladder

A

seminal vesicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Multiple septa formed from the tunica albuginea that course toward the mediastinum testis and separate the testicle into lobules

A

septa testis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Structure made up of vas deferens, testicular artery, cremasteric artery, and pampiniform plexus that suspends the testis in the scrotum

A

spermatic cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Male gonad that produces hormones that induce masculine features and spermatozoa

A

testicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Artery arising from the aorta just distal to each renal artery

A

testicular artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Inner fibrous membrane surrounding the testicle

A

tunica albuginea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Membrane consisting of a visceral layer and a parietal layer lining the inner wall of the scrotum

A

tunica vaginalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Small membranous canal that extends from the bladder to the end of the penis

A

urethra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Tube that connects the epididymis to the seminal vesicle

A

vas deferens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

verumontanum

A

Junction of the ejaculatory ducts with the urethra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

essential male reproductive organs

A

gonads & testes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

accessory organs of male reproductive system

A

genital ducts, glands, supporting structures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

ducts that convey sperm to outside of body

A

genital ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

name the structures included in the reproductive ducts

A
  • pair of epididymides
  • paired vas deferens
  • pair of ejaculatory ducts
  • urethra
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

what organs make up the accessory GLANDS in male reproductive system

A
  • seminal vesicles (2)
  • prostate
  • bulbourethral (2)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

supporting structures of the male reproductive system

A

scrotum
penis
spermatic cords

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

im males, a roughly diamond shaped area between the thighs

A

perineum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

perineum extends from the ___ anteriorly to the ___ posteriorly

A

pubic symphysis

coccyx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

lateral boundary for the perineum

A

ischial tuberosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

divided into the urogenital triangle and anal triangle

A

perineum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

external genitals ( penis and scrotum) are part of the ____ triangle

A

urogenital

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

testes are suspended in the scrotum by

A

scrotal tissue & spermatic cords

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

_____ encases each testis

A

tunica albuginea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

each lobule in the testes contains

A

intersitial cells and seminiferous tubules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

___ drains the rete testis

A

efferent ductules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

__ testis is about 1 cm lower in the scrotal sac than the __

A

left

right

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

tubules from each lobule come together to form a plexus called

A

rete testis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

spermatogenesis is the production of mature male gametes (spermatozoa) by

A

seminiferous tubules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

major androgen in humans, produces by interstitial cells

A

testosterone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

By stimulating protein anabolism, ___ promotes the growth of skeletal muscles

A

testosterone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

functions of testosterone (4)

A
  1. development of sex characteristics
  2. regulat metabolism
  3. stimulates bone growth
  4. fluid and electrolyte balance
48
Q

The vas deferens has thick, muscular walls and can be palpated in the scrotal sac as a smooth, movable cord.
The muscular layers of the vas deferens help ___

A

propel sperm through ductal system

49
Q

Enlarged terminal portion of vas deferens that joins the duct from a seminal vesicle to form the ejaculatory duct

A

ampulla

50
Q

vas deferens is an extension of the ___

A

epididymis

51
Q

t/f: sperm only stay in the vas deferens for a specific period of time

A

FALSE - stay for varrying periods depending on sexual activity

52
Q

Passes through the prostate gland, terminates in the urethra

A

ejaculatory duct

53
Q

prostate gland supply’s __% of semen volume in the form of

A

30

slightly acidic, watery, milky seminal fluid

54
Q

nutrient for sperm

A

citrate

55
Q

skin covered pouch suspended from the perineal region

A

scrotum

56
Q

scrotum is divided into two compartments externally by ___ and two sacs internally by __

A
  1. median raphe

2. tunica dartos (septum)

57
Q

what does each sac contain?

A
  • testi
  • epididymis
  • lower part of spermatic cord
58
Q

the skin and superficial fascia of the testis is continuous with that of the

A

abdomen

59
Q

cremaster muscle surrounds each testicle, forming an elongated pouch, and contracts to to

A

control temp of testicles

60
Q

peritoneal sac that covers and surrounds the testicles and epididymis

A

tunica vaginalis

61
Q

layer of the tuica vaginalis that produces secretions

A

visceral layer

62
Q

layer of tuica vaginalis that contains lymphatics for fluid absorbtion

A

parietal layer

63
Q

elevate the scrotal pouch

A

dartos fascia and muscle

64
Q

Each testis divided into ___-___ conical lobules containing the seminiferous tubules

A

250-400

65
Q

seminiferous tubules converge at the apex of each lobule to form

A

rete testis in mediastinum

66
Q

rete testis drain into ____ through efferent ductules

A

head of epididymis

67
Q

Sonographically, ___ appear as smooth, medium gray structures with fine echo texture.

A

testis

68
Q

t/f: testis are mobile

A

true

69
Q

epididymis length

A

6-7cm

70
Q

epididymis begins superiorly and courses ___ to the testis

A

posterolaterally

71
Q

epididymis contains 10-15 efferent ductules from rete testis that converge to form a single duct in the body and tail known as

A

ductus epididymis

72
Q

ductus epididymis becomes ___ and continues in the spermatic cord

A

vas deferens

73
Q

largest part of epididymis

A

head (6-15mm wide)

74
Q

small protuberance from head of epididymis

A

appendix of epididymis

75
Q

echogenicity & echotexture of epididymis compared to testis

A

iso or hypoechoic

coarser

76
Q

Posterior aspect of tunica albuginea reflects into testis to form vertical septum known as

A

mediastinum testis

77
Q

bright hyperechoic line coursing crainocaudad within testis

A

mediastinum

78
Q

septa testis formed from ___ at mediastinum

A

tunica albuginea

79
Q

lines inner walls of scrotum, covering each testis and epididymis

A

tunica vaginalis

80
Q

between the parietal and visceral layers of tunica vaginalis, ___ may from

A

hydroceles

81
Q

hydrocele

A

accumulation of fluid

82
Q

___dilates at terminal portion near seminal vesicles, termed ___

A

vas deferens

ampulla of deferens

83
Q

junction of ejaculatory ducts with urethra

A

verumonatum

84
Q

Vas deferens, testicular arteries, venous pampiniform plexus, lymphatics, autonomic nerves, and fiber of cremaster form

A

spermatic cord

85
Q

spermatic cord extends from __ through inguinal canal and internal inguinal rings to __-

A

scrotum

pelvis

86
Q

___ suspends the testis in scrotum

A

spermatic cord

87
Q

main blood supply for testis

A

testicular artery

88
Q

testicular artery arise from anterior ___ just below the renal arteries

A

aorta

89
Q

3 arteries in spermatic cord

A
  • testicular
  • deferential
  • cremasteric
90
Q

cremasteric artery is a branch of ___ artery

A

epigastric

91
Q

deferential artery is a branch of ___ artery

A

vesicular (internal iliac)

92
Q

artery that supplies the epididymis and ductus deferens

A

deferential

93
Q

major blood supply to the epididymis is by the ___ artery which is a branch of ___

A
  • superior epididymal artery

- testicular

94
Q

the cremasteric artery supplies

A

peritesticular tissues

95
Q

venous drainage of the scrotum is by the ____

A

papminiform plexus

96
Q

papminiform plexus becomes reduced to a single vein ____ as it ascends through inguinal canal

A

testicular vein

97
Q

right testicular vein drains into

A

IVC

98
Q

left testicular vein drains into

A

left renal vein

99
Q

venous drainage from testis

A

trans-mediastinal vein

100
Q

tetsicular arterial branching (4)

A
  1. testicular artery
  2. capsular artery
  3. centripetal artery
  4. recurrent rami
101
Q

deferential vein drains into the ___ veins

A

pelvis

102
Q

cremasteric vein drains into the ___

A

tributaries of epigastric and deep pudendal veins

103
Q

Tunica albuginea extends into posterior wall of testicle and forms ____ testis and ____ septa

A

mediastinum

interlobar

104
Q

location of rete testis

A

within mediastinum

105
Q

a thicker less convoluted continuation of ductus epididymis

A

ductus deferens

106
Q

At its ___ portion near seminal vesicles, the ductus deferens dilates

A

terminal

107
Q

STI will cause ___ epididymis with ___ blood flow on US

A

enlarged

increased

108
Q

adult testicle lwh

A

3-5 * 2-3 * 2-3 cm

109
Q

adult epididymis L

A

3.8cm

110
Q

ductus deferens length

A

45cm

111
Q

reasons for scrotal exam (5)

A
  • mass
  • pain
  • trauma
  • infertility
  • undescended testicle
112
Q

t/f: extratesticular mass is less likely to be malignant

A

true

113
Q

Cryptorchidism

A

failure of testis to descend into the scrotum

114
Q

testicles are at an increased risk for malignancy if ___

A

they have not fully descended

115
Q

valsalva maneuver

A

pt pushes all air out, making belly tight

IMG1016: superficial structures (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions