Glossary with audio assistance
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Ectoparasitea parasite that lives on the outside of the host | |
Efferent nerve fibrescarry nerve impulses away from the central nervous system | |
Electrolytea liquid that contains ions (salts) such as sodium and potassium | |
Electromagnetic spectrumRadiation which possesses electrical and magnetic properties | |
Electrona negatively charged particle | |
Embolisma clot, air bubble or debris (embolus) which is carried in the blood stream from one point in the circulation to lodge at another point | |
Embryostage of development in the zygote in which the external and internal structures are developing | |
Emesisvomiting | |
EmeticSomething that induces vomiting | |
Emollientssubstances such as liquid paraffin that will aid expulsion from the digestive tract | |
Emulsificationprocess where fat particles are broken down into smaller globules suspended in a liquid | |
Emulsiona liquid in which droplets of other liquids are suspended, but the liquids do not mix | |
Endemica disease peculiar to or that occurs constantly in certain localities or populations | |
Endobronchialpositioned in the bronchus | |
Endocardiumthe innermost layer of the heart | |
Endocrine gland | |
Endocytosisthe movement of a substance, in bulk, into a cell by the formation of vesicles from the plasma membrane | |
Endoparasitea parasite that lives inside the host | |
Endothermicregulation of body temperature by internal heat production | |
Endotoxina toxic substance released by bacteria when the organism dies | |
Endotrachealpositioned in the trachea | |
Energythe ability to do work; all the body's activities require energy which is provided by the consumption of food containing chemical energy | |
Enteral feedinguses the gastrointestinal tract to provide nutrition | |
Enzootica disease peculiar to or that occurs regularly in certain localities or populations | |
Enzymea protein which is able to act as a catalyst within a living organism | |
Eosinopaeniareduced numbers of circulating eosinophils in the blood | |
Eosinophiltype of granular white blood cell | |
Eosinophiliaincreased number of circulating eosinophils in the blood. May be seen in cases of allergy or parasite infestation. | |
Epidermisthe tough outer protective layer of the skin | |
Epistasisa gene that suppresses the activity of other genes at other loci | |
Epitheliumtissue composed of cells that lines the internal and external surfaces of the body; plural is epithelia | |
Eructationa belch; oral ejection of gas or air from the stomach | |
Eruption of teethProcess by which teeth break through the gum to appear in the jaw | |
Erythemareddening of the skin | |
Erythroblastsimmature red blood cells | |
Erythrocytesred blood corpuscles or cells | |
Erythropoiesisthe formation of red blood cells | |
Erythropoietinhormone produced by the kidney which stimulates the bone marrow to produce new red blood cells | |
Eukaryote | |
Excretionthe process by which waste materials are removed from the body | |
Exocrine gland | |
Exocytosisthe movement of a substance, in bulk, out of a cell by fusion of vesicles containing the substance with the plasma membrane | |
Exothermicregulation of body temperature by the external environment rather than by internal metabolism | |
Exotoxina toxic substance released by the living bacteria | |
Expirationthe process by which gas is expelled from the lungs - breathing out | |
Expiratory capacity | |
Expiratory reserve volumethe extra volume of air forced out of the lungs, above that of normal tidal volume after a forced expiration | |
External respirationthe exchange of gases between the atmospheric air and the blood. Also called breathing. | |
Exteroreceptorssensory cells that receive information from the environment outside the body | |
Extracellular fluid (ECF)fluid found outside the cells | |
Exudatefluid with a high protein and cell content that has seeped out of the blood vessels and is found in tissues, usually as a result of inflammation | |