单词 | diastole |
释义 | diastole/dʌɪˈastəli![]() noun [mass noun] Physiology The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood. Often contrasted with systole.The reflected wave returns to the aorta during systole rather than diastole, increasing systolic work even more and reducing diastolic pressure, on which coronary flow depends....
Derivativesdiastolic![]()
OriginLate 16th century: via late Latin from Greek, 'separation, expansion', from diastellein, from dia 'apart' + stellein 'to place'. |
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