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.

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] .