inguinal structures

Question 1

inguinal canal is passageway for

Answer 1

external pudendal a. & v. 
genitofemoral n. 
lymphatics 
vaginal tunic (male)
spermatic cord (male)
vaginal process (female)

Question 2

boundaries of the deep inguinal ring

Answer 2

medial boundary: lateral edge of the rectus abd. m.
cranial boundary: caudal edge of the internal abd. oblique n.
caudal boundary: inguinal ligament

Question 3

internal abdominal oblique m. partly arises from what ligament

Answer 3

inguinal ligament

Question 4

what ligament is relatively incomplete in the dog and cat

Answer 4

inguinal ligament

Question 5

inguinal ligament separates ____ from ____

Answer 5

vascular lacuna from inguinal canal

Question 6

branches of deep femoral a.

Answer 6

external pudendal a. and caudal epigastric a.

Question 7

external iliac a. branches off of the aorta and turns into

Answer 7

femoral a. and deep femoral a.

Question 8

what muscle does the genitofemoral n. give motor to?

Answer 8

cremaster m.

Question 9

inside the abdomen, genitofemoral nerve courses with

Answer 9

external iliac a.

Question 10

genitofemoral n. is sensory to skin in what region?

Answer 10

inguinal region and proximal medial thigh

Question 11

efferent lymphatic vessels that pass through the inguinal canal are draining which lymph node?

Answer 11

inguinal lymph nodes

Question 12

vaginal cavity in the male is located between

Answer 12

parietal vaginal tunic and visceral baginal tunic

Question 13

vaginal ring in the entrance to the

Answer 13

vaginal cavity- spermatic cord passes through vaginal cavity

Question 14

vaginal tunic is comprised of

Answer 14

internal spermatic fascia and parietal vaginal tunic

Question 15

what structure is incised on an open castration?

Answer 15

vaginal tunic

Question 16

spermatic cord forms at the

Answer 16

vaginal ring

Question 17

components of the spermatic cord

Answer 17

testicular a., v., and n. 
pampiniform plexus 
testicular lymphatics 
ducts deferent 
deferent a. and v. (a. and v. of the ductus deferens)
intermal cremaster muscle 
mesofuniculum

Question 18

efferent vessels of the testicular lymphatics course to

Answer 18

medial iliac and lumbar aortic lnn.

Question 19

scrotum position in dog vs. cat

Answer 19

dog- inguinal position

cat-perineal position

Question 20

testis function

Answer 20

spermatozoa and hormone production

Question 21

testis are covered by

Answer 21

tunica albuginea (dense white fibrous capsule) and visceral vaginal tunic (serous membrane)

Question 22

epididymis function

Answer 22

storage and maturation of sperm, adheared to dorsolateral surface of testis

Question 23

epididymis covered by

Answer 23

just visceral vaginal tunic

Question 24

layers of scrotum and testes (outside to inside)

Answer 24

skin 
tunica dartos 
external spermatic fascia 
internal spermatic fascia 
parietal vaginal tunic 
vaginal cavity 
visceral. vaginal tunic 
tunica albuginea
testicular parenchyma

Question 25

gubernaculum m.

Answer 25

muscle contracts and pulls testis down through inguinal canal

Question 26

remnants of the gubernaculum m. in adult male is called

Answer 26

proper ligament of the testis (courses between tail of epididymis and testis)

Question 27

revenants of the gubernaculum m. in adult female is called

Answer 27

round ligament of the uterus

Question 28

descent of testis

Answer 28

vaginal ring -> deep inguinal ring -> inguinal canal -> superficial inguinal ring

Question 29

vaginal ring is just dorsal to

Answer 29

deep inguinal ring, anything that goes through one will go through the other (except for external pudendal a., v., and genitofemoral n. only pass through dorsal inguinal ring, not vaginal ring)

Question 30

to find deep vaginal

Answer 30

use triangle of borders

Question 31

2 types of hernia

Answer 31

scrotal hernia

inguinal hernia

Question 32

intestinal segment in vaginal ring and eventually moving down to scrotum causing swelling in scrotum

Answer 32

scrotal hernia

Question 33

intestinal segment ends up not going through vaginal ring and just deep inguinal ring, swelling in inguinal region

Answer 33

inguinal hernia