10 Cwi Vocabulary Health 2

Choroids: The middle layer of the eyeball wall. Emetic: An agent that induces vomiting. Fibrillation: The rapid, ineffective beating of the heart in one or two chambers called ventricles. Gametes: Reproductive cells produced by the gonads. Metastasis: Spread of cancer from the point where it originated to the other parts of the body. Nephrons: Functional units of the kidneys. Ossicles: Three tiny, linked, movable bones behind the eardrum. Pleurisy: An inflammative of the membrane lining the lung and the chest cavity. Phyrus: throat Platelets: Cells prevent body loss of blood Pulp: The living tissue inside the tooth. Catheter: Tubular medical device for insertion into cancals, vessels, passageways or body cavities usually to permit injection or withdrawal of fluids or to keep a passage open. Glucose: 1. An optically active sugar that has an aldehyde carbonyl group. 2. The sweet colorless soluble dextrorotary from that occurs widely in nature and is the usual form in which carbohydrates are accumulated by animals. Stroke: A sudden diminution or loss of consciousness sensation and voluntary motion caused by a rupture or obstruction (as by a clot) of an artery of the brain – also called a poplexy. Plasma: 1. The fluid part of blood, lymph, or milk as distinguished form suspended material. 2. The juice can be expressed form muscle. 3. A collection of charged particles containing about equal numbers of positive ions and electrons and exhibiting some properties of gas but differing (from a gas) in being a good conductor of electricity and in being affected by a magnetic field. Quarantine: 1. A restraint upon the activities or communications of persons or the transport of goods designed to prevent the spread of diseases or pests. 2. Place in which those of quarantine are kept. 3. State of enforced isolation. Epidemiologist: 1. A branch of medical science that deals with the incidence, distribution, and control of disease in a population. 2. The sum of the factors controlling the presence or absence of a disease or pathogen. Isometric Exercise: Activity that uses muscle tension to improve muscular strength with little or no movement of the body part. Isokinetic Exercise: Activity that involves resistance through an entire range of motion. Isotonic Exercise: Activity that combines muscle contraction with repeated motions.