Lecture 7 2/13/24

Question 1

What are the characteristics of the equine penis prepuce?

Answer 1

-telescopic
-distal end of flaccid prepuce proper is the preputial orifice
-distal end of the flaccid preputial fold is the preputial ring

Question 2

What are the characteristics of the equine urethral sinus?

Answer 2

-contains fossa glandis
-sits caudodorsal
-can become obstructed by penile bean

Question 3

Which arteries to the penis branch off of the internal pudendal a.?

Answer 3

-deep artery of the penis
-artery of the bulb
-dorsal artery of the penis

Question 4

Which artery to the penis branches off of the obturator a.?

Answer 4

middle artery of the penis

Question 5

Which artery does the middle artery of the penis dump into?

Answer 5

dorsal artery of the penis

Question 6

Which artery of the penis branches off of the external pudendal a.?

Answer 6

cranial artery of the penis

Question 7

What is unique about arterial pressure, in regards to the equine penis?

Answer 7

requires a very high pressure (3500-3700 mmHg) to fill

Question 8

What are the characteristics of a fibroelastic penis?

Answer 8

-seen in swine and ruminants
-elastic tissue makes it rigid, requiring less blood flow
-presence of sigmoid flexure makes retractor penis m. more important
-less dramatic increase in arterial pressure (80mmHg)

Question 9

What are the characteristics of the urethral process?

Answer 9

-seen in bulls, rams, and goats
-extends beyond glans
-tapers at distal end
-taper can be removed if impaction occurs

Question 10

What are the characteristics of the boar penis?

Answer 10

-corkscrew shape
-present preputial diverticulum

Question 11

What is the direction of testicles in cattle, horses, and pigs?

Answer 11

-cattle: up and down
-horse: 45 degree angle to the ground
-pig: horizontal to the ground

Question 12

Which primary structures are involved with the testicle?

Answer 12

-epididymis
-ductus deferens

Question 13

What are the functions of the male accessory sex glands?

Answer 13

-add volume for semen and ejaculate
-provides nutrition to spermatozoa
-buffers acidic pH of female repro. tract

Question 14

How does the prostate differ in location from a disseminated prostate?

Answer 14

-prostate is along urethra caudal to urinary bladder
-disseminated prostate is embedded within wall of urethra caudal to urinary bladder

Question 15

Where is the bulbourethral gland found?

Answer 15

dorsal surface of caudal portion of pelvic urethra

Question 16

What is the ampulla?

Answer 16

thickened terminal part of ductus deferens

Question 17

How do seminal vesicles differ from vesicular glands?

Answer 17

-seminal vesicles are hollow
-vesicular gland is solid

Question 18

Which species have a prostate?

Answer 18

-equine
-bovine
-porcine

Question 19

Which species have a disseminated prostate?

Answer 19

-bovine
-porcine
-ovine
-caprine

Question 20

Which species have a bulbourethral gland?

Answer 20

-equine
-bovine
-porcine (very large)
-ovine
-caprine

Question 21

Which species have an ampulla?

Answer 21

-equine
-bovine
-ovine
-caprine

Question 22

Which species have a seminal vesicle?

Answer 22

equine

Question 23

Which species have a vesicular gland?

Answer 23

-bovine
-porcine
-ovine
-caprine