WordNet

(physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber) (同)muscular_contraction, muscle_contraction
the act of decreasing (something) in size or volume or quantity or scope
a word formed from two or more words by omitting or combining some sounds; "`wont is a contraction of `will not"; "`oclock is a contraction of `of the clock"

PrepTutorEJDIC

〈U〉〈C〉(…の)収縮,短縮《+『of』+『名』》 / 〈U〉(通貨・資金・支出などの)縮小,節減《+『of』+『名』》 / 〈U〉(いやなこと・よくないことを)身に負うこと,(悪習などが)身につくこと《+『of』+『名』》 / 〈C〉陣痛

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1. 心不全の病態生理：左心室の圧-容積とその他の血行動態の関係 pathophysiology of heart failure left ventricular pressure volume and other hemodynamic relationships
2. Postoperative complications among patients undergoing cardiac surgery
3. 拡張能障害の細胞学的機序 cellular mechanisms of diastolic dysfunction
4. 慢性僧帽弁閉鎖不全症の病態生理 pathophysiology of chronic mitral regurgitation
5. 右室心筋梗塞 right ventricular myocardial infarction

Comparison of the Gibbs and Suga formulations of cardiac energetics: the demise of "isoefficiency".

Han JC1, Taberner AJ, Tran K, Goo S, Nickerson DP, Nash MP, Nielsen PM, Crampin EJ, Loiselle DS.
Journal of applied physiology (Bethesda, Md. : 1985).J Appl Physiol (1985).2012 Oct;113(7):996-1003. doi: 10.1152/japplphysiol.00693.2011. Epub 2012 Aug 9.
Two very different sorts of experiments have characterized the field of cardiac energetics over the past three decades. In one of these, Gibbs and colleagues measured the heat production of isolated papillary muscles undergoing isometric contractions and afterloaded isotonic contractions. The former
PMID 22879535

Contribution of mechanical factors to arrhythmogenesis in calcium overloaded cardiomyocytes: model predictions and experiments.

Katsnelson LB1, Solovyova O, Balakin A, Lookin O, Konovalov P, Protsenko Y, Sulman T, Markhasin VS.
Progress in biophysics and molecular biology.Prog Biophys Mol Biol.2011 Oct;107(1):81-9. doi: 10.1016/j.pbiomolbio.2011.06.001. Epub 2011 Jun 15.
It is well-known that Ca²⁺ overload in cardiomyocytes may underlie arrhythmias. However, the possible contribution of mechanical factors to rhythm disturbances in Ca²⁺ overloaded myocytes has not been sufficiently investigated. We used a mathematical model of the electrical and mechanical acti
PMID 21699912

Rationale, design and methodology for Intraventricular Pressure Gradients Study: a novel approach for ventricular filling assessment in normal and falling hearts.

Guerra M1, Amorim MJ, Mota JC, Vouga L, Leite-Moreira A.
Journal of cardiothoracic surgery.J Cardiothorac Surg.2011 May 10;6:67. doi: 10.1186/1749-8090-6-67.
BACKGROUND: Intraventricular pressure gradients have been described between the base and the apex of the left ventricle during early diastolic ventricular filling, as well as, their increase after systolic and diastolic function improvement. Although, systolic gradients have also been observed, data
PMID 21569272

THE ANALYSIS OF THE SHORTENING VELOCITY OF ISOTONIC AFTERLOADED CONTRACTION OF CAT PAPILLARY MUSCLE AS TWO-ELEMENT MODEL OF VARIABLE ELASTANCE AND PARALLEL VISCOSITY : Ventricular Function : 46th Annual Scientific Meeting, Japanese Circulation Society

Segmental length changes in stimulated frog sartorius muscle during dynamic mechanical responses.

小林孝和,杉晴夫
The Japanese Journal of Physiology 32(5), 817-830, 1982
… Marked nonuniform segmental length changes were also observed during afterloaded twitches and tetani. …
NAID 130003476960

Depressive effects of active shortening on stoke volume of left ventricle and shortening amount of isolated ventricular muscle.

岡田隆夫
The Japanese Journal of Physiology 31(2), 199-215, 1981
… when the afterloading impedance was fixed.Exactly the same result was obtained in the relation between the initial length (I) and the amount of shortening (S) for the tetanic contraction of isolated frog ventricular muscle.The slope of the EDV-SV or I-S relation was less than 1.0, suggesting that a kind of depressive effect or a deactivation of contraction was working during the active shortening of cardiac muscle.The slope, which inversely reflects the degree of deactivation, slightly tended to 1.0 with decreasing load and …
NAID 130003476867