Small Animal Pelvic Cavity/Limb

Question 1

Which artery supplies the pelvic limb via the femoral artery?

Answer 1

External Iliac artery

Question 2

Which artery does the umbilical artery branch off of?

Answer 2

Internal Iliac artery

Question 3

What does the internal iliac artery bifurcate into?

Answer 3

Internal pudendal artery

Caudal gluteal artery

Question 4

Which artery supplies the prepuce, scrotum, labia, and caudal abdominal and inguinal mammae?

Answer 4

External Pudendal artery

Question 5

What artery does the Pudendalhypogastric trunk come off of?

Answer 5

Deep femoral artery which branches off the external iliac artery

Question 6

Which artery supplies the tail? Which artery does it branch from?

Answer 6

The medial sacral artery; the abdominal aorta (terminal branch)

Question 7

Which two artery does the Pudendoepigastric trunk bifurcate into?

Answer 7

Caudal epigastric artery

External pudendal artery

Question 8

Which three main arteries branch off of the Internal iliac artery?

Answer 8

Umbilical artery (round ligament of bladder)
Internal pudendal artery
Caudal Gluteal artery

Question 9

What are the three terminal branches of the internal pudendal artery?

Answer 9

Ventral perineal artery
Urethral artery
Artery of the clitoris or penis

Question 10

Which artery follows the sciatic nerve out of pelvis and terminates in the hamstring muscles?

Answer 10

Caudal gluteal artery

Question 11

Which artery supplies the corpus cavernosum? What about the bulb and corpus spongiosum?

Answer 11

Deep artery of the penis

Artery of the bulb of the penis

Question 12

The dorsal artery of the penis branches from the _______ artery and supplies the _______ and _________.

Answer 12

Artery of the penis; glans penis; prepuce

Question 13

Which artery supplies the middle gluteal muscle and branches off the caudal gluteal artery?

Answer 13

Iliolumbar artery

Question 14

What does the cranial gluteal artery supply and what artery does it branch from?

Answer 14

the middle and deep gluteal muscles; the caudal gluteal artery off of the internal iliac artery

Question 15

What artery supplies the perineum?

Answer 15

The ventral perineal artery from the internal pudendal artery of the internal iliac artery

Question 16

Which artery supplies the caudal portion of the bladder and the ureteral and urethral branches?

Answer 16

Caudal vesical artery-artery of ductus deferens-prostatic artery-internal pudendal artery-internal iliac artery (Male)
Caudal vesical artery-uterine artery-vaginal artery-internal pudendal artery-internal iliac artery

Question 17

Which nerves converge at the pelvic plexus?

Answer 17

Postsynaptic sympathetic axons of the hypogastric nerve and presynaptic parasympathetic axons of the pelvic nerve

Question 18

Which nerve converging at the pelvic plexus contains axons extending from neuron cell bodies located in the sacral region of the spinal cord?

Answer 18

The pelvic nerve

Question 19

The hypogastric nerve axons converging on the pelvic plexus come from where?

Answer 19

Neuron cell bodies located within the caudal mesenteric ganglion

Question 20

Which nerve is comprised of somatic neuron axons from the ventral branches of the lumbar spinal nerves 3 and 4?

Answer 20

Genitofemoral nerves

Question 21

The genitofemoral nerves provides motor control to the ________ muscle and conveys sensory information from what structures?

Answer 21

cremaster muscle; skin of the inguinal region, spermatic fascia, scrotum, and prepuce

Question 22

Which nerve provides motor innervation to the musculature of the perineum, external anal sphincter, external urethral sphincter, preputial muscles, levator ani muscle, coccygeus m, depressor muscles of the tail, ischial urethralis muscles, ischiocavernosus muscles, and the bulbospongiosus muscle?

Answer 22

The pudendal nerve