pericardiumn.
英 ,perɪ'kɑːdɪəm | 美 ,pɛrɪ'kɑrdɪəm
中文n. [解剖] 心包；心包膜
词根词源
pericardium (n.)early 15c., Latinized form of Greek perikardion "(membrane) around the heart" (Galen), from peri (prep.) "around, about" (see peri-) + kardia "heart," from PIE root *kerd- (1) "heart" (see heart (n.)). Related: Pericardiac.
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