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Body Sys2-Cardio
Medical Terminology
| Term | Definition |
|---|---|
| cardi | a root word that means heart ____) is the combining form. For example, a ____ is a recording of heart activity |
| angi | a root word that means blood vessels ____ is the combining form. For example, an ____ is an image of a blood vessel |
| arteri | a root word that means artery ____) is the combining form. For example, an ____ is a recording of an artery |
| ven | a root word that means vein ____ or ____) are the combining forms. For example, ____ means to puncture a vein |
| hemat | a root word that means blood ____ is the combining form. For example, ____ology is the study of blood and blood disorders |
| cyt | a root word that means cell ____ is the combining form. For example, _____ is a red blood cell. |
| a- or an- | a prefix that means no or without For example, ____ means not enough red blood cells. |
| hyper- | a prefix that means above or above normal For example, ____ means high blood pressure |
| hypo- | a prefix that means under or below normal For example, ____ means low blood pressure. |
| tachy- | a prefix that means fast For example, ____ means a fast heartbeat |
| brady- | a prefix that means slow For example, ____ means a slow heartbeat |
| erythr | a prefix that means red ____) is the combining form. For example, ____ means a red blood cell |
| leuk | a prefix that means white or colorless ____ is the combining form. For example,____ is a white blood cell. |
| -emia | a suffix that means blood condition For example, ____ means not enough red blood cells. |
| -osis | a suffix that means a condition or disease For example, ____ means a disease characterized by stiffening of the arteries |
| heart | muscular organ in the chest that rhythmically expands and contracts to pump blood throughout the body |
| blood | a liquid that carries red and white blood cells, nutrients, and waste products throughout the body |
| atrium | a type of chamber in the heart, of which there are two: the right atrium receives blood returning to the heart from the body, and the left atrium receives blood returning to the heart from the lungs |
| ventricle | a pumping chamber of the heart, of which there are two: the right ventricle, which pumps blood into the lungs, and the left ventricle, which pumps blood to the body |
| valve | one of the four structures in the heart that control the flow of blood, permitting it to flow in only one direction |
| artery | a blood vessel (tubular structure) that carries blood away from the heart |
| vein | a blood vessel (tubular structure) that carries blood back to the heart |
| capillary | the smallest of blood vessels, it receives blood from the arterial system and delivers it to the venous system while exchanging nutrients and wastes with nearby tissues |
| erythrocyte | a red blood cell, which carries oxygen throughout the body |
| leukocyte | a white blood cell, which forms part of the immune system that protects the body from foreign material and organisms |
| platelet | also called a thrombocyte; a small, irregularly shaped cell that circulates in the blood and stops blood loss when a wound occurs |
| plasma | the non-cellular, liquid part of blood that consists mostly of water |
| blood clot | a collection of platelets and proteins that blocks the opening caused by a wound to a blood vessel |
| oxygen saturation | the degree to which the oxygen-carrying molecules, called hemoglobin, in red blood cells are filled, or saturated, with oxygen, expressed as a percentage of the maximum they can carry |
| lymph | plasma that has escaped from a capillary and is returning to the general circulation by way of a lymph vessel |
| lymph vessel | a vessel that returns lymph to the general circulation, filtering the fluid as it passes |
| aorta | One of two arteries leading out of the heart, it receives freshly oxygenated blood from the left ventricle and carries it away from the heart to the rest of the body |
| pulmonary artery | One of two arteries leading out of the heart, it receives blood from the right ventricle and carries it into the lungs, where oxygen is acquired and carbon dioxide, a waste gas, is released |
| pulmonary vein | One of two veins leading into the heart, it carries freshly oxygenated blood from the lungs into the left atrium. |
| vena cava | One of two veins leading into the heart, it carries blood returning from the body into the right atrium |
| aortic valve | the heart valve that separates the left ventricle from the aorta |
| tricuspid valve | the heart valve that separates the right atrium from the right ventricle |
| mitral valve | the heart valve that separates the left atrium from the left ventricle |
| pulmonary valve | the heart valve that separates the right ventricle from the pulmonary artery |
| heart contractility | the ability of the heart to contract, generating force to pump blood; contractility can be reduced in various diseases |
| diastole | that phase of heart activity in which the heart relaxes and fills with blood from the venous system before the next systole |
| systole | that phase of heart activity in which the heart contracts, pumping blood out into the arteries |
| heart rate | the number of times the heart beats in one minute |
| blood pressure | the pressure of blood pushing on the walls of the blood vessels |
| cardiac output (CO) | the volume of blood pumped by the heart in one minute |
Created by:
rleroux
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