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Heart and Skeleton

Glossary Terms - Medical Technology

Aorta The largest artery in the human body, diverts oxygenated blood throughout the body
Artery Blood vessels that carry oxygenated blood away from the heart and into the body
Atrium The chamber of the heart where deoxygenated blood first enters the heart
Bicuspid valve Made from two aortic valvular leaflets, it ensures the unidirectional flow of blood from the atrium to the ventricles, found on the left side of the heart
Biomaterial Is any matter, surface or construct that interacts with biological systems
Biomedical The application of the principles of the natural sciences to medicine
Bionic Having certain physiological functions augmented or replaced by electronic equipment
Bradyarrhythmia Deterioration in the heart’s own pacing system
Bradycardia AV junction in the heart fails to transmit the electrical signals the ventricles don’t contract and you get a very slow heart rate under 40 bpm
capillary Any of the fine branching blood vessels that form a network between The smallest thin-walled blood vessels connecting arteries to veins
cardiac Relating to the Heart
cardiac arrest The heart is fibrillating as a result of the unsequenced cardiac contractions
cardiopulmonary resuscitation Emergency procedure in which heart and lungs are made to work through compressions, to circulate needed blood to the brain
complete heart block When the AV junction fails to transmit electrical signals to the ventricles due to a failure
defibrillator Apparatus used to control heart fibrillation by application of an electric current.
electrocardiograph An instrument used in the detection and diagnosis of heart abnormalities that measures electrical potentials on the body surface and generates a record of the electrical currents associated with heart muscle activity
fibrillation Atrial fibrillation is a type of heart irregularity. The heart quivers rather than contracts, both fast and abnormally slow and this can cause palpitations or a fluttering heartbeat, irregular heartbeat, chest pains, dizziness or fainting spells
heart transplant A heart or cardiac transplant, is a surgical transplant procedure performed on patients with end-stage heart failure or severe coronary artery disease
heart valve A heart valve normally allows blood flow in only one direction through the heart. A heart valve opens or closes incumbent upon differential blood pressure on each side
pacemaker Delivers electrical impulses to the heart when the heart skips a beat
sinus node A group of cells located in the right atrium which sends electrical impulses causing the heart chambers to contract
stethoscope Instrument that amplifies sound such as the heartbeat
tachyarrhythmia An overly rapid heartbeat
tricuspid valve The function of the valve is to prevent backflow of blood into the right atrium
vein Blood vessels that carry blood toward the heart
ventricle Two large chambers that collect and expel blood received from an atrium
ventricular tachycardia Is a type of rapid heartbeat, that starts in the bottom chambers of the heart. Can prevent the heart from filling with blood between beats
Collagen The main structural protein of the various connective tissues in animals mostly found in fibrous tissues such as tendons, ligaments and skin
Ligaments Holds two bones together and keep the joints from moving
Tendons Fibrous bands of connective tissue that join the muscle to the bone
Synovial fluid Lubricant between joints
Cartilage Made up of tough flexible protein fibers which form a smooth , frictionless surface around a joint or the support for structures
Created by: MCESeniorScience