Definition of diastole in English:

diastole

noun dʌɪˈastəliˌdaɪˈæstli

mass nounPhysiology

The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.
〔生理〕（心脏的）舒张；舒张期。常与SYSTOLE 相对
Often contrasted with systole
Example sentencesExamples
- It relaxes slowly in early diastole and offers greater resistance to filling in late diastole, so that diastolic pressures are elevated.
- 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.
- Systole is that part of the heart's pumping cycle when it contracts and pushes blood out, the pulse if you like, and diastole is when the heart relaxes and fills with blood ready for the next heartbeat.
- Coronary blood flow occurs during diastole, and as the heart rate increases diastole shortens.
- During diastole, blood fills the veins and moves cephalad with each heartbeat.

Derivatives

diastolic

adjective dʌɪəˈstɒlɪk

Physiology

Relating to the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.
〔生理〕（心脏的）舒张；舒张期。常与SYSTOLE 相对
consistently high diastolic pressure could lead to organ damage
Often contrasted with systolic
Example sentencesExamples
- Men who experienced the Leningrad siege have higher systolic and diastolic blood pressure and excess mortality from ischaemic heart disease and stroke.
- Firstly, we analysed the diagnostic value of systolic and diastolic blood pressure and pulse rate with area under curves.
- Systolic and diastolic blood pressures were within normal limits.

Origin

Late 16th century: via late Latin from Greek, 'separation, expansion', from diastellein, from dia 'apart' + stellein 'to place'.

Definition of diastole in US English:

diastole

nounˌdīˈastlēˌdaɪˈæstli

Physiology

The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.
〔生理〕（心脏的）舒张；舒张期。常与SYSTOLE 相对
Often contrasted with systole
Example sentencesExamples
- Coronary blood flow occurs during diastole, and as the heart rate increases diastole shortens.
- 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.
- It relaxes slowly in early diastole and offers greater resistance to filling in late diastole, so that diastolic pressures are elevated.
- During diastole, blood fills the veins and moves cephalad with each heartbeat.
- Systole is that part of the heart's pumping cycle when it contracts and pushes blood out, the pulse if you like, and diastole is when the heart relaxes and fills with blood ready for the next heartbeat.

Origin

Late 16th century: via late Latin from Greek, ‘separation, expansion’, from diastellein, from dia ‘apart’ + stellein ‘to place’.

词汇	diastole
释义	Definition of diastole in English: diastole noun dʌɪˈastəliˌdaɪˈæstli mass nounPhysiology The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood. 〔生理〕（心脏的）舒张；舒张期。常与SYSTOLE 相对 Often contrasted with systole Example sentencesExamples It relaxes slowly in early diastole and offers greater resistance to filling in late diastole, so that diastolic pressures are elevated. 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. Systole is that part of the heart's pumping cycle when it contracts and pushes blood out, the pulse if you like, and diastole is when the heart relaxes and fills with blood ready for the next heartbeat. Coronary blood flow occurs during diastole, and as the heart rate increases diastole shortens. During diastole, blood fills the veins and moves cephalad with each heartbeat. Derivatives diastolic adjective dʌɪəˈstɒlɪk Physiology Relating to the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood. 〔生理〕（心脏的）舒张；舒张期。常与SYSTOLE 相对 consistently high diastolic pressure could lead to organ damage Often contrasted with systolic Example sentencesExamples Men who experienced the Leningrad siege have higher systolic and diastolic blood pressure and excess mortality from ischaemic heart disease and stroke. Firstly, we analysed the diagnostic value of systolic and diastolic blood pressure and pulse rate with area under curves. Systolic and diastolic blood pressures were within normal limits. Origin Late 16th century: via late Latin from Greek, 'separation, expansion', from diastellein, from dia 'apart' + stellein 'to place'. Definition of diastole in US English: diastole nounˌdīˈastlēˌdaɪˈæstli Physiology The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood. 〔生理〕（心脏的）舒张；舒张期。常与SYSTOLE 相对 Often contrasted with systole Example sentencesExamples Coronary blood flow occurs during diastole, and as the heart rate increases diastole shortens. 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. It relaxes slowly in early diastole and offers greater resistance to filling in late diastole, so that diastolic pressures are elevated. During diastole, blood fills the veins and moves cephalad with each heartbeat. Systole is that part of the heart's pumping cycle when it contracts and pushes blood out, the pulse if you like, and diastole is when the heart relaxes and fills with blood ready for the next heartbeat. Origin Late 16th century: via late Latin from Greek, ‘separation, expansion’, from diastellein, from dia ‘apart’ + stellein ‘to place’.
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