Chapter 23

Question 1

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

Answer 1

cremasteric muscle

Question 2

connect the seminal vesicle and the vas deferens to the urethra at the verumontanum.

Answer 2

ejaculatory ducts

Question 3

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

Answer 3

epididymis

Question 4

central linear structure formed by the convergence of multiple, thin septations within the testicles, which are invaginations of the tunica albuginea.

Answer 4

mediastinum testis

Question 5

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

Answer 5

pampiniform plexus

Question 6

partially supply the scrotal wall and epididymis and occasionally the lower pole of the testis.

Answer 6

pudendal artery

Question 7

sac containing the testis and epididymis.

Answer 7

scrotum

Question 8

reservoirs for sperm located posterior to the bladder.

Answer 8

seminal vesicles

Question 9

multiple septa form the tunica albuginea that course toward the mediastinum testis and separate the testicle into lobules.

Answer 9

septa testis

Question 10

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

Answer 10

spermatic cord

Question 11

male gonad that produces hormones that induce masculine features and spermatozoa.

Answer 11

testicle

Question 12

artery arising from the aorta just distal to each renal artery.

Answer 12

testicular artery

Question 13

inner fibrous membrane surrounding the testicle.

Answer 13

tunica albuginea

Question 14

membrane consisting of a visceral layer and a perietal layer lining the inner wall of the scrotum.

Answer 14

tunica vaginalis

Question 15

small membrane canal that extends from the bladder to the end of the penis.

Answer 15

urethra

Question 16

tube that connects the epididymis to the seminal vesicle.

Answer 16

vas deferens

Question 17

junction of the ejaculatory ducts with the urethra.

Answer 17

verumontanum

Question 18

terminal intratesticular arteries arising from the capsular arteries.

Answer 18

centripetal artery

Question 19

small artery arising from the inferior epigastric artery, which supplies the peritesticular tissue, including the cremasteric muscle.

Answer 19

cremasteric artery

Question 20

arises from the vesicle artery and supplies the vas deferens and epididymis.

Answer 20

deferential artery

Question 21

terminal ends of the centripetal arteries that curve backward toward the capsule.

Answer 21

recurrent rami

Question 22

formed by the pampiniform plexus.

Answer 22

testicular vein

Question 23

testicles remain within the abdomen or groin and fail to descend into the scrotal sac.

Answer 23

cryptorchidism

Question 24

cyst filled with clear, serous fluid located in the epididymis.

Answer 24

epididymal cyst

Question 25

inflammation of the epididymis.

Answer 25

epididymitis

Question 26

blood located between the visceral and parietal layers of the tunica vaginalis.

Answer 26

hematocele

Question 27

fluid formed between the visceral and parietal layers of the tunica vaginalis.

Answer 27

hydrocele

Question 28

pus located between the visceral and parietal layers of the tunica vaginalis.

Answer 28

pyocele

Question 29

network of the channels formed by the convergence of the straight seminiferous tubules in the mediastinum testis.

Answer 29

rete testis

Question 30

cyst in the vas deferens containing sperm.

Answer 30

spermatocele

Question 31

dilated veins in the pampiniform plexus caused by obstruction of the venous return from the testicle.

Answer 31

varicocele

Question 32

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

Answer 32

scrotum

Question 33

the seminiferous tubules converge at the apex of each lobule and anastomose to form the ______ in the mediastinum.

Answer 33

rete testis

Question 34

the largest part of the epididymis is the ______.

Answer 34

head

Question 35

the ductus epididymis becomes the ______, measuring 6 to 15 mm in width.

Answer 35

vas deferens

Question 36

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

Answer 36

tunica albuginea

Question 37

the ______ supports the ducts coursing within the testis.

Answer 37

mediastinum

Question 38

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

Answer 38

hydroceles

Question 39

the ______ is a continuation of the ductus ______.

Answer 39

vas deferens, epididymis

Question 40

the vas deferens dilates at the terminal portion near ______.

Answer 40

seminal vesicles

Question 41

right and left testicular arteries arise from the ______ just below the level of the renal arteries.

Answer 41

abdominal aorta

Question 42

venous drainage of the scrotum occurs through the veins of the ______ plexus.

Answer 42

pampiniform

Question 43

power Doppler is often used as a way to quickly get to a sensitive setting that will demonstrate ______ flow.

Answer 43

slow

Question 44

the most important goal of the ultrasound examination is testicular trauma is to determine if ______ has occurred.

Answer 44

rupture

Question 45

an acute hematocele is ______ with numerous, highly visible echoes that can be seen to float or move in real time.

Answer 45

echogenic

Question 46

the most common cause of acute scrotal pain in adults is ______ infection of the epididymis and testis.

Answer 46

epididymo-orchitis

Question 47

the normal epididymis shows ______ flow with color Doppler.

Answer 47

little

Question 48

with epididymitis, Doppler waveforms demonstrate ______ velocities in both systole and diastole.

Answer 48

increased

Question 49

hydroceles are found around the ______ aspect of the testis.

Answer 49

anterolateral

Question 50

______ of the spermatic cord occurs as a result of abnormal mobility of the testis within the scrotum.

Answer 50

torsion

Question 51

the ______ anomaly occurs when the tunica vaginalis completely surrounds the testis, epididymis, and distal spermatic cord, allowing them to move and rotate freely within the scrotum.

Answer 51

bell clapper

Question 52

torsion is the most common cause of acute scrotal pain in ______.

Answer 52

adolescents

Question 53

an ______ of perfusion in the symptomatic testis with normal perfusion demonstrated in the asymptomatic side is considered to be diagnostic of torsion.

Answer 53

absence

Question 54

extratesticular cysts are found in the tunica ______ or epididymis.

Answer 54

albuginea

Question 55

______ are usually caused by incompetent venous valves within the spermatic vein.

Answer 55

varicoceles

Question 56

omental hernias appears ______ because of the omental fat.

Answer 56

echogenic

Question 57

an ______ contains serous fluid and is the most common cause of painless scrotal swelling.

Answer 57

hydrocele

Question 58

testicular cancer occurs most frequently between the ages of ______ years.

Answer 58

20 to 34

Question 59

patients with ______ testes are 2.5 to 8 times more likely to develop cancer.

Answer 59

undescended

Question 60

these masses called ______ are usually benign, where as ______ masses are more likely to be malignant.

Answer 60

extratesticular, intratesticular

Question 61

the term ______ describes a condition in which the testis has not descended into the scrotum and cannot be brought into the scrotum with external manipulation.

Answer 61

undescended testis or cryptorchidism