a specialized form of striated muscle occurring in the hearts of vertebrates.
cardiac muscle n.
The muscle of the heart, consisting of anastomosing transversely striated muscle fibers formed of cells united at intercalated disks; the myocardium. Also called muscle of heart.
an anxiety reaction characterized by quick fatigue, shortness of breath, rapid heartbeat, dizziness, and other cardiac symptoms, but not caused by disease of the heart. cardiac neurosis n. A form of anxiety neurosis concerning the state of the heart, as a result of palpitation, chest pain, or other symptoms not due to heart disease. Also […]
- Cardiac notch
cardiac notch cardiac notch n. A deep notch in the alimentary canal at the junction of the esophagus and the stomach.
- Cardiac opening
cardiac opening cardiac opening n. The opening of the esophagus into the stomach. Historical Examples The orifice by which the food enters is called the cardiac opening, because it is near the heart. A Practical Physiology Albert F. Blaisdell The œsophagus passes through the diaphragm about an inch above the cardiac opening of the stomach. […]
blood volume in liters pumped by the left ventricle of the heart per minute. cardiac output The volume of blood pumped per minute by each ventricle of the heart. Cardiac output is equal to the stroke volume (the amount of blood pumped from a ventricle in a single heartbeat) times the heart rate. It is […]