Glossary with audio assistance


Browse the glossary using this index

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Lactation

production of milk from the mammary glands


Lactose

one of the sugars derived from milk


Lacunae

spaces within the matrix of bone tissue containing cells


Laryngoscope

an aid to visualisation for endotracheal intubation. The equipment consists of a blade which depresses the tongue, and a light source for illumination.


Larynx

part of the respiratory tract between the pharynx and trachea. It is made up of cartilages,  ligaments and muscles and lined with mucus membrane.


Latent image

an invisible image on X-ray film following exposure but before processing

Lead

a dense metal which is efficient at absorbing X-rays


Lethal gene

gene that produces a characteristic that is incompatible with life


Leukaemia

a disease where there are increased numbers of immature and abnormal white blood cells (leukocytes)


Leukocyte

white blood cell



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