pectinate muscles


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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] .
References in periodicals archive ?
In comparison to 2D, 3D echo can more efficiently differentiate a clot from pectinate muscles in the LAA, which can mimic a thrombus resulting in patient mismanagement.8 Because of very limited availability of 3D echo in Bangladesh, evaluation by 3D echo was not done in the case presented here.
Some of these fibers encircled the mouth of the LAA and continued into the pectinate muscles within the appendage.