Glossary with audio assistance
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Labile tissuesCells continue to divide even once the organism has finished growing, repair by regeneration is usually possible. | |
Lactationproduction of milk from the mammary glands | |
Lactoseone of the sugars derived from milk | |
Lacunaespaces within the matrix of bone tissue containing cells | |
Laryngoscopean aid to visualisation for endotracheal intubation. The equipment consists of a blade which depresses the tongue, and a light source for illumination. | |
Larynxpart of the respiratory tract between the pharynx and trachea. It is made up of cartilages, ligaments and muscles and lined with mucus membrane. | |
Latent imagean invisible image on X-ray film following exposure but before processing | |
Leada dense metal which is efficient at absorbing X-rays | |
Lethal genegene that produces a characteristic that is incompatible with life | |
Leukaemiaa disease where there are increased numbers of immature and abnormal white blood cells (leukocytes) | |
Leukocytewhite blood cell | |
Leukocytosisan abnormal increase in the number of white blood cells in the blood | |
Licensed drugMedication which has been approved to be given to animals | |
Light Beam Diaphragm (LBD)a device fitted to the tube head for altering the size of the primary beam | |
Line breedingsimilar to inbreeding but involves breeding from family lines that are not closely related e.g. grandparents or cousins. The aim is to increase the likelihood of the desired characteristics, but reduce the chances of those that are not desired. | |
Linked genesgene that are so close together on the same chromosome that they move with each other into the same cells during meiosis and do not act independently | |
Locusthe position of a gene on a chromosome | |
Lordosisexcessive inward curvature of the spine. In female cats, it is a behaviour pattern exhibited during the oestrous cycle, where they raise the tail and hindquarters. | |
Low voltage transformerdecreases the incoming mains voltage (240 V) to provide small current to the filament and prevent overheating | |
Lymph | |
Lymphocytetype of agranular white blood cell, responsible for the production of antibodies | |
Lysosomes | |