Systole (medicine) — Systole (pronEng|ˈsɪstɒli, rhymes with fiscally ) is the contraction of heart chambers, driving blood out of the chambers. The chamber most often discussed is the left ventricle. However, all four chambers of the heart undergo systole and… … Wikipedia
systole — noun /ˈsɪstəli/ a) The rhythmic contraction of the heart, by which blood is driven through the arteries. A double systole catapulted him into full consciousness again, and he promised his uncorrected self that he would limit his daily ration of… … Wiktionary
Diastole — Heart during ventricular diastole. Diastole ( /d … Wikipedia
Diastole — The time period when the heart is in a state of relaxation and dilatation (expansion). The final letter in diastole is pronounced as a long e as in lee. The adjective for diastole is diastolic. The diastolic pressure is specifically the minimum… … Medical dictionary
diastole — [dī as′tə lē΄] n. [LL < Gr diastolē, expansion, dilatation < diastellein, to separate, dilate < dia , apart + stellein, to put: see LOCUS] the usual rhythmic dilatation of the heart, esp. of the ventricles, following each contraction… … English World dictionary
Systole — Sys to*le, n. [NL., fr. Gr. ?, fr. ? to contract; sy n with + ? to set, place.] 1. (Gram.) The shortening of the long syllable. [1913 Webster] 2. (Physiol. & Biol.) The contraction of the heart and arteries by which the blood is forced onward and … The Collaborative International Dictionary of English
Diastole — Di*as to*le, n. [L., fr. Gr. ?, fr. ? to put asunder, to separate; dia through + ? to set, to place.] 1. (Physiol.) The rhythmical expansion or dilatation of the heart and arteries; correlative to {systole}, or contraction. [1913 Webster] 2.… … The Collaborative International Dictionary of English
diastole — ► NOUN ▪ the phase of the heartbeat when the heart muscle relaxes and the chambers fill with blood. Often contrasted with SYSTOLE(Cf. ↑systolic). DERIVATIVES diastolic adjective. ORIGIN Greek, separation, expansion … English terms dictionary
systole — ► NOUN ▪ the phase of the heartbeat when the heart muscle contracts and pumps blood into the arteries. Often contrasted with DIASTOLE(Cf. ↑diastolic). DERIVATIVES systolic adjective. ORIGIN Greek sustol , from sustellein to contract … English terms dictionary
to-and-fro — adv .adj 1. back and forth, side to side, up and down, inand out, zigzag, seesaw, this way and that; alternating, reciprocal. n 2. alternation, coming and going, ebb and flow, flux and reflux, systole and diastole; seesawing, teetering, teeter… … A Note on the Style of the synonym finder
