Male and Female Genitalia

Question 1

uterine tube

Answer 1

oviduct or fallopian tube

extends from uterine horn and termiates in an infundibulum with fimbriae

Question 2

regions of uterus

Answer 2

cervix (narrow canal with thick muscular walls), body (short), and uterine horns (long, paired)

Question 3

vagina

Answer 3

canal connecting fornix (blind end near cervix) to vestibule

longitudinal folds when not expanded

Question 4

vestibule of vagina

Answer 4

caudal to vagina
receives urethral opening
striated constrictor vestibuli muscle in wall
vestibular mucous glands

Question 5

clitoris

3 parts

Answer 5

homologue of penis
glans - erectile tissue
body - fat in connective tissue
crus - erectile tissue in fibrous ct

Question 6

vulva

Answer 6

left and right labia and vulval cleft
contrictor vulvae muscle in each labia
ventral fossa of clitoris

Question 7

suspensory ligament of ovary

Answer 7

connects ovary to dorsal body wall

Question 8

proper ligament of ovary

Answer 8

connects ovary to cranial uterine horn

Question 9

round ligament of uterus

Answer 9

connects cranial uterine horn thru inguinal canal

opposes suspensory ligament of uterus

Question 10

broad ligament of uterus

3 subdivisions

Answer 10

mesometrium
mesovarium
mesoalpinx

Question 11

internal spermatic fascia

Answer 11

fibrous membrane bound to parietal vaginal tunic

Question 12

external spermatic fascia

Answer 12

areolar ct within dartos

Question 13

cremaster muscle

Answer 13

from internal abdominal oblique m.

on internal spermatic fascia

Question 14

testes

Answer 14

produces spermatozoa and testosterone
tunica albuginea and visceral vaginal tunic over that
vessels branch for counter-current heat exchange

Question 15

epididymis

Answer 15

stores and matures sperm

coiled duct with head, body, tail

Question 16

ductus deferens

Answer 16

covered in visceral vaginal tunic and mesoductus deferens around that
goes through inguinal canal and penetrates prostate
enters urethra at clliculus seminalis

Question 17

spermatic cord

Answer 17

ductus deferens, testicular vessels, vaginal tunic, spermatic fascia

Question 18

accessory genital glands

Answer 18

prostate

bulbourethral gland in cats

Question 19

penis

Answer 19

root (bulb and crus), body, free parts

penile urethra, erectile tissue, extrinsic muscles

Question 20

corpus spongiosum

Answer 20

around urethra
begins as bulb at root
covered by bulbospongiosus muscle

Question 21

corpus cavernosum

Answer 21

paired main erectile organ
forms crus at root, covered by ischiocavernosus muscle
replaced by os penis in free part

Question 22

glans

Answer 22

pars longa and pars bulbus in dog covers whole free part

bulbus glandis responsible for “tie”

Question 23

retractor penis muscles

Answer 23

paired, together at midline
smooth muscle
runs on ventral side of penis below bulbospngiosus muscle

Question 24

erection

Answer 24

parasympathetic

inflow exceeds outflow

Question 25

ejaculation

Answer 25

sympathetic ductus deferens, smooth muscle in prostate, internal urethral sphincter all contract (prevent reflux in to bladder) urethralis and extrinsic muscles contract to propel ejaculate