papillary muscle

noun

Medical Definition of papillary muscle

: one of the small muscular columns attached at one end to the chordae tendineae and at the other to the wall of the ventricle and that maintain tension on the chordae tendineae as the ventricle contracts

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“Papillary muscle.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/papillary%20muscle. Accessed 16 Jan. 2021.

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