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Cardiology:
Noun: The papillary muscles are cone-shaped muscles located in the ventricles of the heart, specifically in the left and right ventricles.
Example Sentence: During systole, the papillary muscles contract, causing the heart valves to close tightly and prevent the backflow of blood into the atria.
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Physiology:
Noun: In physiology, the papillary muscles are responsible for controlling the tension and length of the chordae tendineae, which are fibrous cords connecting the valves of the heart to the papillary muscles.
Example Sentence: The papillary muscles contract to adjust the length of the chordae tendineae and ensure the proper coordination of heart valve movements.
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Muscular Anatomy:
Adjective: Papillary muscles refer to the small, finger-like muscles that resemble papillae.
Example Sentence: The cadaver dissection revealed the intricate network of papillary muscles within the ventricles.
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Local:
Noun: In certain regions, "papillary muscle" may also refer to muscles found in the fingers or toes that have small projections.
Example Sentence: The papillary muscles in the hands are responsible for creating the ridges and texture of the fingertips.
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