Matching (20) Match items in column A to column B

Column a Column b
1.
A.
What landmark separates internal from external hemorrhoids?
2.
B.
What separates the pelvic cavity from the perineum?
3.
C.
What is the ischiorectal fossa?
4.
D.
Where does the inferior rectal a. come from?
5.
E.
What is the arcus tendineus?
6.
F.
Which rectal veins are/aren't usually involved in hemorrhoids?
7.
G.
Where does the middle rectal a. come from?
8.
H.
What are the posterior borders of ischiorectal fossa?
9.
I.
What are the posterior borders of perineum?
10.
J.
What vein do internal hemorrhoids most often involve?
11.
K.
What are the lateral borders of the perineum?
12.
L.
Which part of the anal sphincter maintains continence?
13.
M.
What does the middle rectal vein eventually become?
14.
N.
Where does the ab cavity become the pelvis?
15.
O.
What is the point of fusion of the Ilium, pubic, and ischium?
16.
P.
What is the internal anal sphincter?
17.
Q.
What vein do external hemorrhoids most often involve?
18.
R.
What is the "roof" of the perineum?
19.
S.
What does the superior rectal vein eventually become?
20.
T.
What are the anterior borders of perineum?