| right ventricle | The muscular chamber of the heart which accepts blood from the right atrium and pumps it through the pulmonary artery into the lungs. (27 Sep 1997) |
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| right ventricular failure | An weakening of the right ventricle that results in the back up of blood in the venous system, liver, gastrointestinal tract and extremities. The causes of this condition include left-sided congestive heart failure, emphysema, valvular heart disease, cardiomyopathy, anaemia, hyperthyroidism, cor pulmonale and congenital heart disease. Risk factors include diabetes, alcoholism, obesity and smoking. Symptoms include swelling of the feet and ankles, nocturia, increased distention of neck veins, fatigue, weakness and fainting, Ascites, arrhythmias and pleural effusions are complications of right ventricular failure. (27 Sep 1997) |
| right ventricular hypertrophy | <radiology> Pulmonary valve stenosis, pulmonary hypertension, tetralogy of Fallot, VSD (12 Dec 1998) |
| right ventricular hypoplasia | A congenital or acquired condition in which there is thinning of the right ventricular myocardium. Synonym: right ventricular hypoplasia. (05 Mar 2000) |
| right ventricular volume overload | <radiology> Atrial septal defect, partial/total APVR, tricuspid insufficiency, pulmonary insufficiency, congenital/aquired absence of pericardium, Ebstein anomaly (not truly RV) (12 Dec 1998) |
| right whale | <zoology> The bowhead, Arctic, or Greenland whale (Balaena mysticetus), from whose mouth the best whalebone is obtained. Any other whale that produces valuable whalebone, as the Atlantic, or Biscay, right whale (Balaena cisarctica), and the Pacific right whale (B. Sieboldii); a bone whale. <zoology> Pygmy right whale, a small New Zealand whale (Neobalaena marginata) which is only about sixteen feet long. It produces short, but very elastic and tough, whalebone. Source: Websters Dictionary (01 Mar 1998) |
| right-eyed | Rarely used term for indicating right ocular dominance; denoting one who prefers the right eye in monocular work, such as microscopy. Synonym: right-eyed. Origin: dextro-+ L. Oculus, eye (05 Mar 2000) |
| right-footed | Denoting one who uses the right leg in preference to the left. Synonym: right-footed. Origin: dextro-+ L. Pes (ped-), foot (05 Mar 2000) |
| right-handed | 1. Using the right hand habitually, or more easily or skillful than the left. 2. Having the same direction or course as the movement of the hands of a watch seen in front; said of the motion of a revolving object looked at from a given direction. 3. <marine biology> Having the whorls rising from left to right; dextral; said of spiral shells. Synonym: dextral, dextromanual. Source: Websters Dictionary (21 Jun 2000) |
| right-hearted | Having a right heart or disposition. Right"-heartedness. Source: Websters Dictionary (01 Mar 1998) |
| right-to-left shunt | The passage of blood from the right side of the heart into the left (as through a septal defect), or from the pulmonary artery into the aorta (as through a patent ductus arteriosus); such a shunt can occur only when the pressure on the right side exceeds that in the left, as in advanced pulmonic stenosis, or when the pulmonary artery pressure exceeds aortic pressure, as in one form of Eisenmenger's syndrome or in tricuspid atresia. (05 Mar 2000) |
| righteousness | 1. The quality or state of being righteous; holiness; purity; uprightness; rectitude. Righteousness, as used in Scripture and theology, in which it chiefly occurs, is nearly equivalent to holiness, comprehending holy principles and affections of heart, and conformity of life to the divine law. 2. A righteous act, or righteous quality. "All our righteousnesses are as filthy rags." (Isa. Lxiv. 6) 3. The act or conduct of one who is righteous. "Blessed are they that keep judgment, and he that doeth rightness at all times." (Ps. Cvi. 3) 4. The state of being right with God; justification; the work of Christ, which is the ground justification. "There are two kinds of Christian righteousness: the one without us, which we have by imputation; the other in us, which consisteth of faith, hope, and charity, and other Christian virtues." (Hooker) "Only for the righteousness of Christ imputed to us, and received by faith alone." (Westminster Catechism) Synonym: Uprightness, holiness, godliness, equity, justice, rightfulness, integryty, honesty, faithfulness. Origin: AS. Rihtwisnes. Source: Websters Dictionary (01 Mar 1998) |
| righting reflexes | Reflex's which through various receptors, in labyrinth, eyes, muscles, or skin, tend to bring an animal's body into its normal position in space and which resist any force acting to put it into a false position, e.g., on its back. See: body righting reflexes, labyrinthine righting reflexes, neck reflexes, optical righting reflexes. Synonym: static reflexes. (05 Mar 2000) |