Pectinate muscle - Definition
The term “Pectinate muscle” can indicate any of the prominent atrial myocardium ridges or the intracardiac muscles. The unique name of this muscle comes from the fact that its fibers are arranged in a manner similar to comb bristles.
The muscle is also referred to as:
Pectinate muscle - Location
It can be mainly found in the right atrium, more in the right atrial appendage, and not so much in the left atrium. The wall of the neighboring anterior atrium may also be traversed by these muscles.
Pectinate muscle - Functions
This pericardial structure is constituted by the following two layers:
Pectinate muscle - Pictures
You will find these images useful to know about the appearance of these muscles.
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