12 results found

Search Results for: systole

Systole

Systole (Science: physiology) The time at which ventricular contraction occurs. systole is the contraction of the chambers... Read More

Semilunar valve

The human heart structure consists of heart chambers (2 atria and 2 ventricles) that differ functionally from each other.... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Pulmonary valve

Definition noun, plural: pulmonary valves (anatomy, cardiology) The semilunar valve that lies between the right ventricle... Read More

Pulse

pulse (Science: cardiology, physiology) The impulse transmitted to arteries by contraction of the left ventricle of the... Read More

Vacuole

A vacuole is a single membrane-bound organelle with no definite shape or size found in both prokaryotic and eukaryotic... Read More

Blood pressure

Blood pressure (Science: cardiology, physiology) The force that the circulating blood exerts on the walls of the... Read More

Heart valve

Definition noun, plural: heart valves (anatomy) Any of the valves of the heart that prevents the back flow of blood through... Read More

Heart sounds

Heart sounds The sounds heard over the cardiac region produced by the functioning of the heart. There are four distinct... Read More

Contractile vacuole

Definition noun, plural: contractile vacuoles (cell biology) A specialized vacuole of eukaryote cells, especially protozoa,... Read More

Dicrotic notch

Definition noun 1. The brief rise or upstroke in a pulse tracing that occurs before the dicrotic wave, and represents a... Read More

Amoeba

In protistology, amoeba specifically pertains to the genus Amoeba (true amoeba) of the family Amoebidae, class Tubulinea.... Read More