PSY 2301 Lecture Notes - Lecture 3: Phospholipid, Extracellular Fluid, Genomics
8 Jan 2015
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Psy 2301 d: introduction to brain and behaviour. Chapter three: what are the units of nervous-system function? (pages 69-102) A tumour is a mass of new tissue that undergoes uncontrolled growth and is independent of surrounding structures. No region of the body is immune , but the brain is a common site. Brain tumours do not grow from neurons bur rather from glial or other supporting cells. Some tumours are benign and not likely to recur after removal. Others are malignant, likely to progress and apt to recur after removal: both kinds of tumours can pose a risk to life if they develop in sites from which they are difficult to remove. Three major types if brain tumours are classified according to how they originate: 1. Gliomas that arise from astrocytes are usually slow growing, not often malignant and easy to treat.
