Lab Practical

Question 1

anterior vagina under estrogen

Answer 1

increased mitosis (thickening), increased secretion

Question 2

cervix opening

Answer 2

os cervix

Question 3

cervix under estrogen

Answer 3

widest diameter, large volumes of low viscosity mucus

Question 4

cervix under progesterone

Answer 4

small diameter, smaller volumes of very viscous mucus

Question 5

endometrium

Answer 5

mucosa layer in the uterus

Question 6

myometrium

Answer 6

muscularis layer in the uterus

Question 7

perimetrium

Answer 7

serosa layer in the uterus

Question 8

endometrium under progesterone

Answer 8

mitosis and hypertrophy, enlarged

Question 9

myometrium under estrogen

Answer 9

uterine contractions stimulated

Question 10

myometrum under progesterone

Answer 10

uterine contractions inhibited

Question 11

tubo-utero junction

Answer 11

where the oviduct terminates

Question 12

oviduct segments

Answer 12

isthmus, ampulla, infindibulum (fimbrated end)

Question 13

oviduct under estrogen

Answer 13

very active, increased production of fluid, muscular contractions

Question 14

visible structurees on the surface of the ovary

Answer 14

tertiary follicles and corpus luteum

Question 15

tunica albuginea

Answer 15

connective tissue capsule of the ovaries and testes

Question 16

spermatic cord

Answer 16

anchors testes to the body

Question 17

components of spermatic cord

Answer 17

lymphatic vessels, vascular supply, nerves, ductus deferens in some species

Question 18

cremaster muscle

Answer 18

surrounds the spermatic cord, contracts and pulls the testes closer to the body

Question 19

pampiniform plexus

Answer 19

one centrally located artery, series of veins

counter-current exchange system

Question 20

cooling systems of the testes

Answer 20

large number of sweat glands, pampiniform plexus, location outside the body cavity, cremaster muscles and tunica dartos muscles

Question 21

tunica dartos muscles

Answer 21

raise and lower the scrotum

Question 22

functions of the testes

Answer 22

spermatogenesis and androgenic production

Question 23

parts of the epididymis

Answer 23

head, body and tail

Question 24

tail of the epididymis

Answer 24

mature sperm stored, lowest in the scrotum, farthest away from the body

Question 25

epididymis functions

Answer 25

duct system, storage site, maturation site

Question 26

ductus deferens

Answer 26

originates from the tail of the epididymis, merges to form one duct, short time transport duct.

Question 27

accessory sex glands

Answer 27

androgen/testosterone dependent, production of seminal plasma

Question 28

maximum accessory sex glands

Answer 28

two ampullary glands, two seminal vesicles, one prostate gland and one bulbourethro gland

Question 29

penis components

Answer 29

base, shaft, glans/head

Question 30

fibroelastic penis

Answer 30

sigmoid flexure with retractor penis muscles | found in bulls, rams and boars

Question 31

vascular erectile penis

Answer 31

engorgement of engorgable tissues with blood | found in dog, stallion and men

Question 32

engorgable tissues of the penis

Answer 32

corpus spongiosum and corpus cavernosum

Question 33

corpus spongiosum

Answer 33

surrounds penial urethra

Question 34

os penis

Answer 34

bone centrally located in the penis | found in cats and dogs

Question 35

unique part of a cat penis

Answer 35

barbed penis to induce ovulation in female

Question 36

unique part of a dog penis

Answer 36

bulbous glandus which causes swelling in the penis, results in a post-coital lock that blocks retrograde sperm flow

Question 37

retractor penis muscle

Answer 37

relaxes to release the sigmoid flexure and elongate a fibroelastic penis

Question 38

most immature sperm

Answer 38

spermatogonia

Question 39

most mature sperm

Answer 39

spermatozoa