pectinate muscles

(redirected from pectinate fibers)

pec·ti·nate mus·cles

[TA]
prominent ridges of atrial myocardium located on the inner surface of much of the right atrium and both auricles.

pectinate muscles

the ridges that cover the walls of the atrium proper and the right auricle. Also called musculi pectinati.

pec·ti·nate mus·cles

(pek'ti-nāt mŭs'ĕlz) [TA]
Prominent ridges of atrial myocardium located on the inner surface of much of the right atrium and both auricles.
Synonym(s): musculi pectinati [TA] .