per·i·car·di·um (p r  -kär d - m)n. pl. per·i·car·di·a (-d -) The membranous sac filled with serous fluid that encloses the heart and the roots of the aorta and other large blood vessels. [New Latin, from Greek perikardion, from perikardios, around the heart : peri-, peri- + kardi  , heart; see kerd- in Indo-European roots.]per i·cardi·al (-d-l), peri·cardi·ac (-d- k) adj. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Adj. | 1. | pericardial - located around the heart or relating to or affecting the pericardium; "pericardial space" |
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