Glossary with audio assistance
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Immunityability to resist specific types of disease | |
InappetenceLack of appetite
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Inbreedingbreeding from two animals that are closely related, e.g. brother and sister | |
Inbreeding depressionloss of health and increasing weakness brought about by inbreeding over successive generations | |
Incubation periodthe time between an individual animal meeting a source of infection and developing clinical signs of disease | |
Infectionthe invasion and multiplication of micro-organisms in body tissues | |
Infectiouscapable of causing disease between animals | |
Inflammationthe body's reaction to injury and infection characterized by pain, swelling and heat | |
Ingestionthe taking in of food | |
Ingredienta raw or processed foodstuff used in manufacturing food | |
Inorganica substance that is not derived from a living organism and does not contain hydrocarbon groups | |
Inotropedrug that increases the force of cardiac contraction | |
Insensible losseswater losses from the body that cannot be accurately measured | |
Inspirationthe act of taking air into the body - breathing in | |
Inspiratory capacity | |
Inspiratory reserve volumethe extra volume of air taken into the lungs, above that of the normal tidal volume after a forced inspiration | |
Intensifying screensstructures within a radiographic cassette which fluoresce when struck by X-rays | |
Intercalated neurona neuron that lies between a sensory and a motor neuron but which in itself has neither sensory nor motor functions | |
Internal respirationthe exchange of gases between the blood and the tissues. Also called tissue respiration. | |
Interoceptorssensory cells that detect stimuli from within the body, for example, information pertaining to blood pressure | |
Interspecific hybridresult of crossing two animals from different species | |
Interstitial fluidfluid found between the cells but not within the vascular system | |
Intracellular fluid (ICF)fluid found inside the cells | |
Intramuscularinto a muscle | |
Intrathecalinjection where drugs are administered into the cerebrospinal fluid | |
Intravenousinto a vein | |
Intussusceptiontelescoping of part of the intestine into itself causing an obstruction | |
Inverse square lawthe intensity of the radiation beam is inversely proportional to the square of the distance from the source i.e. X-rays diverge increasingly, the further they travel from the tube head, and their intensity falls | |
Iona charged particle | |
Isotonica fluid with the same osmotic pressure as that with which it is compared (usually plasma) | |
Isotonic fluidhas the same concentration of solutes as blood plasma; water neither enters nor leaves the cells and remains in equilibrium | |