pacemaker enzyme
1pacemaker enzyme — The enzyme in a metabolic pathway that catalyzes the slowest or rate limiting reaction; if its rate changes, the pathway s activity changes …
2Pacemaker — A system that sends electrical impulses to the heart in order to set the heart rhythm. The pacemaker can be the normal natural pacemaker of the heart or it can be an electronic device. The natural pacemaker of the heart is the sinus node, one of… …
3metabolism — /meuh tab euh liz euhm/, n. 1. Biol., Physiol. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Cf. anabolism, catabolism …
4phosphofructokinase — The pacemaker enzyme of glycolysis. Converts fructose 6 phosphate to fructose 1,6 bisphosphate. A tetrameric allosteric enzyme that is sensitive to the ATP/ADP ratio …
5drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… …
6Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… …
7cardiovascular disease — Introduction any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a …
8Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …
9Hypertrophic cardiomyopathy — Classification and external resources ICD 10 I42.1–I42.2 ICD 9 …
10MYOCARDE — On nomme myocarde le tissu contractile qui forme la plus grande partie du cœur. Il est composé de cellules, ou «fibres», groupées en faisceaux. On a longtemps admis qu’elles constituaient un système unitaire, c’est à dire un syncytium… …
