See Also: rectal sinuses(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
sinuses(medicine)
anal sinuses(medicine)
anterior sinuses(medicine)
venous sinuses(medicine)
paranasal sinuses(medicine)
parasinoidal sinuses(medicine)
pleural sinuses(medicine)
intercavernous sinuses(medicine)

rectal sinuses (medicine)


rectal sinuses -->
anal sinuses


The grooves between the anal columns.

Synonym: Morgagni's sinus.

Pockets or crypts in the columnar zone of the anal canal between the anocutaneous line and the anorectal line; the sinuses give the mucosa a scalloped appearance.

Synonym: sinus anales, anal crypts, Morgagni's crypts, rectal sinuses.