| heart valves | Flaps of tissue that prevent regurgitation of blood from the ventricles to the atria or from the pulmonary arteries or aorta to the ventricles. (12 Dec 1998) |
|---|---|
| heart ventricle | The lower right and left chambers of the heart. The right pumps venous blood into the lungs and the left pumps oxygenated blood into the systemic arterial circulation. (12 Dec 1998) |
| heart's-ease | 1. Ease of heart; peace or tranquillity of mind or feeling. 2. <botany> A species of violet (Viola tricolour); called also pansy. Source: Websters Dictionary (01 Mar 1998) |
| heart, artificial | A pumping mechanism that duplicates the output, rate, and blood pressure of the natural heart. It may replace the function of the entire heart or a portion of it, and may be an intracorporeal, extracorporeal, or paracorporeal heart. (12 Dec 1998) |
| heart-assist devices | Small pumps, often implantable, designed for temporarily assisting the heart, usually the left ventricle, to pump blood; they consist of a pumping chamber and a power source, which may be partially or totally external to the body and activated by electromagnetic motors; the devices are used after myocardial infarction or to wean the repaired heart from the heart-lung machine after open-heart surgery. (12 Dec 1998) |
| heart-eating | Preying on the heart. Source: Websters Dictionary (01 Mar 1998) |
| heart-lung machine | A combination blood pump and blood oxygenator used for temporary periods of time in cardiopulmonary bypass for cardiac surgery. (12 Dec 1998) |
| heart-lung transplantation | The simultaneous, or near simultaneous, transference of heart and lungs from one human or animal to another. (12 Dec 1998) |
| heart-robbing | 1. Depriving of thought; ecstatic. "Heart-robbing gladness." 2. Stealing the heart or affections; winning. Source: Websters Dictionary (01 Mar 1998) |
| heart-shaped pelvis | Cordiform pelvis, a pelvis with sacrum projecting forward between the ilia, giving to the brim a heart shape. Synonym: heart-shaped pelvis. (05 Mar 2000) |
| heart-shaped uterus | An incomplete uterus bicornis with a wedge-shaped depression at the fundus. Synonym: heart-shaped uterus, uterus cordiformis. (05 Mar 2000) |
| heart-spoon | A part of the breastbone. "He feeleth through the herte-spon the pricke." (Chaucer) Source: Websters Dictionary (01 Mar 1998) |
| heart-whole | 1. Having the heart or affections free; not in love. 2. With unbroken courage; undismayed. 3. Of a single and sincere heart. "If he keeps heart-whole towards his Master." (Bunyan) See: Whole. Source: Websters Dictionary (01 Mar 1998) |
| heart-wounded | Wounded to the heart with love or grief. Source: Websters Dictionary (01 Mar 1998) |
| heartache | Sorrow; anguish of mind; mental pang. Origin: Cf. AS. Heortece. Source: Websters Dictionary (01 Mar 1998) |
| round heart disease | A spontaneous cardiomyopathy of unknown aetiology that affects young turkeys; characterised by sudden death due to cardiac arrest. (05 Mar 2000) |
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| mitochondria, heart | The mitochondria of the myocardium. (12 Dec 1998) |
| white-heart | <botany> A somewhat heart-shaped cherry with a whitish skin. Source: Websters Dictionary (01 Mar 1998) |
| compensatory hypertrophy of the heart | Thickening of the walls of the heart in response to vascular, valvular, other heart disease, or athletic conditioning. (05 Mar 2000) |
| movable heart | A heart that moves unduly on change of bodily position. Synonym: movable heart. (05 Mar 2000) |
| compliance of heart | The reciprocal of passive or diastolic stiffness of the ventricle of the heart, most commonly of the left ventricle; one may distinguish between compliance of the muscle and compliance of the supportive structures, although ordinarily both are considered together (chamber compliance); a hypertrophied or scarred heart will manifest a stiff wall, i.e., decreased compliance. (05 Mar 2000) |
| conducting system of heart | The system of atypical cardiac muscle fibres comprising the sinoatrial node, internodal tracts, atrioventricular node and bundle, the bundle branches, and their terminal ramifications into the Purkinje network; sometimes also called cardionector. (05 Mar 2000) |
| wooden-shoe heart | <radiology> The radiographic configuration of the heart in the tetralogy of Fallot; the elevated apex gives a silhouette like that of a wooden shoe Synonym: sabot heart, wooden-shoe heart. (05 Mar 2000) |
| congenital heart block | Atrioventricular block present in utero or at birth and usually of advanced or complete degree. (05 Mar 2000) |
| congenital heart disease | Heart disease that is present from birth. Examples include atrial septal defect, ventricular septal defect, aortic stenosis and tetralogy of Fallot. (27 Sep 1997) |
| congestive heart failure | A condition where there is ineffective pumping of the heart leading to an accumulation of fluid in the lungs. Typical symptoms include shortness of breath with exertion, difficulty breathing when lying flat and leg or ankle swelling. Causes include chronic hypertension, cardiomyopathy and myocardial infarction. (27 Sep 1997) |
| muscle of heart | muscle |
| muscular part of interventricular septum of heart | The thick muscular portion which comprises most of the interventricular septum of the heart. Synonym: pars muscularis septi interventricularis cordis, septum musculare ventriculorum. (05 Mar 2000) |
| myocytolysis of heart | Local loss of myocardial syncytium as a result of a metabolic imbalance, insufficient in intensity or duration (or both) to cause stromal injury or to elicit any reactive exudation. (05 Mar 2000) |
| myxoedema heart | The enlarged heart associated with untreated severe hypothyroidism, often accompanied by pericardial effusion; rare in modern medicine. (05 Mar 2000) |