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Follow Following. Venkatesan MD Join other followers. Sign me up. Field stimulation is used for electrical pacing, and isometric contractions are recorded.
The pectinate muscle develops a stable and large force of contraction and hence is superior to strips cut from atrial appendage specimens. Read it at Google Books - Find it at Amazon. Related articles: Anatomy: Thoracic. Promoted articles advertising. Loading more images Close Please Note: You can also scroll through stacks with your mouse wheel or the keyboard arrow keys.
Loading Stack - 0 images remaining. By System:. Patient Cases. Musculi pectinati in the Marketplace. Patents on Musculi pectinati. List of terms related to Musculi pectinati. Editor-In-Chief: C. Michael Gibson, M. In the right atrium , behind the crest the internal surface of the atrium is smooth, while in front of it the muscular fibers of the wall are raised into parallel ridges resembling the teeth of a comb, and hence named the musculi pectinati pectinate muscles.
In the left atrium , the musculi pectinati, fewer and smaller than in the right auricula , are confined to the inner surface of the auricula. This is due to the embryological origin of the auricles, which are the true atria. Some sources cite that the musculi pectinati are useful in increasing the power of contraction without increasing heart mass substantially.
Anatomy of the heart. Circulatory system Coronary circulation Coronary arteries. Category : Cardiology. Cookies help us deliver our services.
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