35 results found

Search Results for: ventricle

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

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More

Atrioventricular valve

Definition noun, plural: atrioventricular valves The heart valve between the upper atrium and the lower ventricle, and... Read More

Pulmonary valve

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

Mitral valve

Definition noun, plural: mitral valves The valve between the left atrium and left ventricle of the heart, and has two... Read More

Tricuspid valve

Definition noun, plural: tricuspid valves The heart valve located on the right side of the heart between the right atrium... Read More

Three-chambered heart

Three-chambered heart congenital abnormality in which there may be a single atrium with two ventricles or a single ventricle... Read More

Stannius ligature

Definition noun A ligature done in between the sinus venosus and the atrium or around the atrioventricular junction of an... Read More

Valva trunci pulmonalis

valva trunci pulmonalis --> pulmonary valve (Science: anatomy, cardiology) The heart valve that divides the right... Read More

Cardiovascular system

Definition noun The organ system in which the blood is pumped through the heart and circulates throughout the body through... Read More

Pulse

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

Holmes heart

Holmes heart a variant of double inlet left ventricle where the ventricular-arterial connection is concordant and the right... Read More

Apertura mediana ventriculi quarti

Apertura mediana ventriculi quarti median aperture of fourth ventricle: a deficiency in the lower portion of the roof of the... Read More

Vestibule

Languages are intriguing subjects that you can spend your entire life with but never get enough of… As we begin the... Read More

Ventricular filling pressure

Definition noun The pressure that builds up in the ventricle as the ventricle is being filled with blood, typically... Read More

Af

Af --> atrial fibrillation (Science: cardiology) a condition where there is disorganised electrical conduction in 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

Skeletal muscle

Definition noun, plural: skeletal muscles A voluntary, striated (vertebrate) muscle that is associated with the skeleton,... Read More

Anabolic steroid

Definition noun, plural: anabolic steroids Any of the synthetic steroid hormones (androgens) that promote muscle and bone... Read More

Tapetum

Definition noun, plural: tapeta (botany) A layer of nutritive cells within the sporangium, providing nutrition for growing... Read More

Soldiers patches

soldier's patches --> milk spots white plaques of hyalinised fibrous tissue situated in the epicardium overlying the right... Read More

Morphology

Morphology Definition Morphology means the study of the shape and structure of living things from a biological perspective.... Read More

End-systolic volume

End-systolic volume The amount of blood in the ventricle at the end of the cardiac ejection period and immediately preceding... Read More

Blood pressure

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

Trabeculae carneae

Definition noun Muscular ridges that crisscross and project from the inner walls of the heart ventricles. Supplement Their... Read More

Thalamus

thalamus (Science: anatomy) Either of two large, ovoid masses, consisting chiefly of grey substance, situated one on each... Read More

Columnae carneae

Definition noun Muscular ridges or columns projecting from the inner walls of the heart ventricles. Supplement Their... Read More

Atrioventricular sulcus

Definition noun (anatomy) A sulcus or a groove on the outer surface of the heart marking the division between the atria and... Read More

Systole

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

Cerebral hemisphere

Definition noun, plural: cerebral hemispheres A half sphere of the cerebrum marked longitudinally by a median... Read More

Greater circulation

Greater circulation --> systemic circulation The circulation of blood through the arteries, capillaries, and veins of the... Read More

Stroke volume

stroke volume (Science: physiology) The amount of blood pumped out of one ventricle of the heart as the result of a single... Read More

Crus sinistrum fasciculi atrioventricularis

Crus sinistrum fasciculi atrioventricularis --> left crus of atrioventricular bundle The left leg or branch of the... Read More

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More