Which of the following is true of the pectinate line of the anal canal?
A) It lies just below the level of the rectal valves.
B) It is also called the anal column.
C) It divides regions of somatic and visceral innervation.
D) All hemorrhoids occur there.

Question

Quizplus · Accepted Answer

The pectinate line is an anatomical landmark that separates the upper 2/3 of the anal canal (which is innervated by visceral nerves and lined with columnar epithelium) from the lower 1/3 of the anal canal (which is innervated by somatic nerves and lined with stratified squamous epithelium).

Which of the Following Is True of the Pectinate Line