Cervix

Question 1

The “gatekeeper” of the upper female reproductive tract is the

Answer 1

Cervix

Question 2

The cervix sits between the

Answer 2

Cranial vagina and uterus

Question 3

The cervix protects the female tract against

Answer 3

Infection, especially during pregnancy

Question 4

Functions of the cervix include (4)

Answer 4

-produce mucous
-selection of high quality sperm
-flush out sperm/pathogens post-mating
-form a barrier during pregnancy

Question 5

The opening into the vagina is the

Answer 5

External cervical os

Question 6

The internal orifice is at the

Answer 6

Uterine end of the cervix

Question 7

Although the cervix varies considerably across species, it typically includes (2)

Answer 7

-central lumen/canal
-single OR multiple folds/rings that protrude INTO the lumen

Question 8

The external orifice is at the

Answer 8

Vaginal end of the cervix (can be visualized using a speculum

Question 9

Which two species have a single fold/ring protruding into the lumen of the cervix

Answer 9

-bitch
-queen

Question 10

Which four species have multiple folds/rings that protrude into the lumen of the cervix

Answer 10

-cow
-sow
-mare
-ewe

Question 11

The cow’s cervix (2)

Answer 11

-cervical rings with deep folds
-moderately difficult passage

Question 12

The ewe’s cervix (2)

Answer 12

-extensive cervical rings
-highly difficult passage

Question 13

The mare’s cervix (2)

Answer 13

-loose mucosal folds (that sometimes protrude out of the vagina)
-easy passage

Question 14

The sow’s cervix (2)

Answer 14

-cervical rings form a “corkscrew” lumen
-requires a spiral shaped pipette/penis for passage

Question 15

The queen and bitch’s cervix (2)

Answer 15

-smooth
-easy passage

Question 16

The mucosa protruding into the vagina is the

Answer 16

Ectocervix

Question 17

Ectocervix tissue is

Answer 17

Stratified squamous epithelium

Question 18

The mucosa lining the canal of the cervix is the

Answer 18

Endocervix

Question 19

True or False: the endocervix has the same epithelium as the vagina

Answer 19

False. The endocervix has columnar epithelium while the Ectocervix and vagina have stratified squamous epithelium

Question 20

Which portion of the cervix secretes cervical mucous

Answer 20

The columnar epithelium of the endocervix

Question 21

In the cervical canal, the mucosa forms deep ___ which contain ___ that produce ___

Answer 21

Crypts; Goblet cells; mucous

Question 22

Transition from endo to Ectocervix can be

Answer 22

Abrupt