pericardialsac
nounUK /ˌperɪˈkɑːdiəl sæk/
US /ˌperɪˈkɑːrdiəl sæk/
The thin bag around the heart that keeps it safe.
The doctor explained that the pericardial sac protects the heart like a little balloon.
RELATED WORDS
OTHER MEANINGS
2. A protective membrane that holds fluid around the heart.
Fluid inside the pericardial sac helps the heart move smoothly.
3. The outer layer of tissue enclosing the heart.
Injury to the pericardial sac can affect how the heart beats.
4. A medical term for the sac that surrounds the heart.
The surgeon carefully opened the pericardial sac during the operation.