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Jargon buster

A comprehensive list of the terms and words you will come across in relation to brain tumours.



The ability of people to reproduce (have children) through normal sexual activity.


When something is focused or concentrated on a particular point. This could refer to radiotherapy x-ray beams being aimed at the centre of a tumour; or to focal seizures in epilepsy, where only a small part of the brain is involved.


Another name for the cerebral cortex.


One session of radiotherapy. To reduce side-effects and make sure the tumour cells are treated when they are most vulnerable, the total dose of radiotherapy is divided into several smaller doses called a fraction.

Fractionated stereotactic radiotherapy

Fractionated stereotactic radiotherapy (FRST), is stereotactic radiotherapy treatment that is given over multiple sessions.

Frontal lobe

"The part of each cerebral hemisphere of the brain located behind the forehead. It controls our personality, emotions, memory and behaviour. It helps us to think through the consequences of our actions and understanding social norms. The frontal lobe also contains the Broca's area, which is associated with language production."


Fractionated stereotactic radiotherapy (FRST), is stereottactic radiotherapy treatment that is given over multiple sessions.