Library / English Dictionary |
HEART VALVE
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
An implant that replaces a natural cardiac valve
Classified under:
Nouns denoting man-made objects
Hypernyms ("heart valve" is a kind of...):
implant (a prosthesis placed permanently in tissue)
Sense 2
Meaning:
A valve to control one-way flow of blood
Synonyms:
cardiac valve; heart valve
Classified under:
Hypernyms ("heart valve" is a kind of...):
valve (a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it)
Meronyms (parts of "heart valve"):
cusp; leaflet (a thin triangular flap of a heart valve)
Hyponyms (each of the following is a kind of "heart valve"):
atrioventricular valve (either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium)
semilunar valve (a heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart)
Holonyms ("heart valve" is a part of...):
heart; pump; ticker (the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body)
Context examples:
Pig heart valves are already being routinely transplanted into humans, some diabetes patients have transplanted pig pancreas cells and pig skin is often used for treating patients with severe burns.
(Scientist Move Closer to Pig-human Organ Transplants, VOA)
Any of the four heart valves, including the two atrioventricular valves and the two semilunar valves, that regulate the flow of blood through the chambers of the heart.
(Cardiac Valve, NCI Thesaurus)
A mechanical heart valve where the valve mechanisms consists of two thin blades that hinge from the center and regulate the flow of blood.
(Heart Valve Leaflet Device Component, NCI Thesaurus)
A disk-shaped valve component of a tilting disk mechanical heart valve.
(Leaflet Disk Device Component, NCI Thesaurus)
C. hominis is commensal in the human nasal flora, but is associated with culture negative endocarditis after a dental procedure, especially in those with a pre-existing heart valve disorder or a prosthetic valve.
(Cardiobacterium hominis, NCI Thesaurus)
The part of a mechanical heart valve designed to contain and guide the occluder ball in a cage and ball valve.
(Heart Valve Cage Device Component, NCI Thesaurus)
The heart failure might have been caused by coronary heart disease, damaged heart valves or heart muscles, congenital heart defects, or viral infections of the heart.
(Heart Transplantation, NIH: National Heart, Lung, and Blood Institute)
A triangular shaped structure, i.e., one of the triangular segments of heart valve or a raised area of the biting surface of a tooth.
(Cusp, NCI Thesaurus)
Surgery performed for the purpose of repairing a degenerated, calcified, malformed, dysfunctional, etc. heart valve.
(Heart Valve Repair, NCI Thesaurus)
Cardiac rehabilitation (rehab) is a medically supervised program to help people who have: • A heart attack • Angioplasty or coronary artery bypass grafting for coronary heart disease • A heart valve repair or replacement • A heart transplant or a lung transplant • Angina • Heart failure
(Cardiac Rehabilitation, NIH: National Heart, Lung, and Blood Institute)