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单词
papillary muscle
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pap
′
illary mus
′
cle,
[
Anat.
]
Anatomy
one of the small bundles of muscles attached to the ventricle walls and to the chordae tendineae that tighten these tendons during ventricular contraction.
1885–90
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更新时间:2025/7/23 12:36:04