Ch. 23 Flashcards Preview

The Scrotum > Ch. 23 > Flashcards

Flashcards in Ch. 23 Deck (65)
Loading flashcards...
1

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

Ejaculatory ducts

2

Reservoirs for sperm located posterior to the bladder

Seminal Vesicles

3

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

Pampiniform plexus

4

Junction of the ejaculatory ducts with the urethra

Verumontanum

5

Male gland that produces hormones that induce masculine features and spermatozoa

Testicle

6

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

Cremasteric muscle

7

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

Tunica vaginalis

8

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

Pudendal artery

9

Tube that connects the epididymis to the seminal vesicle

Vas deferens

10

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

Epididymis

11

Artery arising from the aorta just distal to each renal artery

testicular artery

12

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

Mediastinum testis

13

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

Urethra

14

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

Septa testis

15

Inner fibrous membrane surrounding the testicle

Tunica albuginea

16

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

Spermatic cord

17

Sac containing the testes and epididymis

Scrotum

18

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

Cremasteric artery

19

Formed by pampiniform plexus.

testicular vein

20

Arises from the vesicle artery and supplies the vas deferens and epididymis

deferential artery

21

Terminal intratesticular arteries arising from the capsular arteries

Centripetal artery

22

Terminal ends of the centripetal arteries that curve backward toward the capsule

Recurrent rami

23

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

Varicocele

24

Cyst filled with clear, serous fluid located in the epididymis

Epididymal cyst

25

Fluid formed between the visceral and parietal layers of the tunica vaginalis

Hydrocele

26

Cyst in the vas deferens containing sperm

Spermatocele

27

Inflammation of the epididymis

Epididymitis

28

Testicles remain with the abdomen or groin and fail to descend into the scrotal sac

Cryptorchidism

29

Pus located between the visceral and parietal layers of the tunica vaginalis

Pyocele

30

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

Rete testis

31

Blood located between the visceral and parietal layers of the tunica vaginalis

Hematocele

32

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

scrotum

33

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

rete testis

34

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

head

35

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

vas deferens

36

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

tunica albuginea

37

The ____________ supports the ducts coursing within the testis.

mediastinum

38

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

hydroceles

39

The __________ is a continuation of the ductus _____________.

vas deferens; epididymis

40

The vas deferens dilates at the terminal portion near ____________.

seminal vesicles

41

Right and left testicular arteries arise from the ____________ just below the level of the renal arteries.

abdominal aorta

42

Venous drainage of the scrotum occurs through the veins of the ________________ plexus.

pampiniform

43

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

slow

44

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

rupture

45

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

echogenic

46

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

epididymo-orchitis

47

The normal epididymis shows ________ flow with color doppler.

little

48

With epididymitis, Doppler waveforms demonstrate _____________ velocities in both systole and diastole. A low resistance waveform pattern is present.

increased

49

Hydroceles are found around the _____________ aspect of the testis.

anterolateral

50

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

Torsion

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.

bell clapper

52

Torsion is the most common cause of acute scrotal pain in _______________.

adolescents

53

A(n) ______________ of perfusion in the symptomatic testis with normal perfusion demonstrated in the asymptomatic side is considered to be diagnostic of torsion.

absence

54

Extratesticular cysts are found in the tunica ___________ or epididymis.

albuginea

55

_______________ are usually caused by incompetent venous valves within the spermatic cord.

Varicoceles

56

Omental hernias appear _____________ because of omental fat.

echogenic

57

A(n) ____________ contains serous fluid and is the most common cause of painless scrotal swelling.

hydrocele

58

Testicular cancer occurs most frequently between the ages of ______________ years.

20 to 34

59

Patients with _____________ testes are 2.5 to 8 times more likely to develop cancer.

undescended

60

These masses called ______________ are usually benign, whereas _______________ masses are more likely to be malignant.

extratesticular; intratesticular

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.

undescended testis, cryptorchidism

62

What anatomic structure does this arrow point to?

testis mediastinum

63

Identify the abnormality in these images of the testes.

dilation of the rete testis

64

What is the arrow pointing to?

Pointing to the stalk connecting the cyst to the epididymal head.

65

Describe the sonographic findings on this image of the tunica vaginalis.

hydrocele