Histology

Question 1

name the 3 histological zones of the cervix

Answer 1

endocervix

ectocervix

transitional zone

Question 2

which type of epithelium lines the endocervix?

Answer 2

columnar

Question 3

which type of epithelium lines the ectocervix?

Answer 3

non-stratified squamous

Question 4

what is the transitional zone?

Answer 4

the point in which there is a transition from columnar to squamous epithelium.

Question 5

where is the squamous-columbar junction before puberty?

Answer 5

within the endocervical canal

Question 6

where is the squamous-columnar junction during puberty and pregnancy?

Answer 6

outside the external os

Question 7

why does the squamous-columnar junction become the transitional zone?

Answer 7

after exposure to harsh environment of the vagina, it undergoes metaplasia to form the transitional zone

Question 8

what are the 3 layers of the uterus?

Answer 8

perimetrium

myometrium

endometrium (columnar epithelium)