Meanings
nounpectinate line (plural pectinate lines)
plural pectinate lines
- anatomyThe line that divides the upper two thirds of the anal canal from the lower third. Developmentally, it represents the hindgut-proctodeum junction.
Cite this entry
APA
pectinate line. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pectinate%20line
MLA
“pectinate line.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pectinate%20line. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “pectinate line,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pectinate%20line.
Source: pectinate line on Wiktionary, CC BY-SA 4.0.