Brain Diseases

**Definition:** Pathologic conditions affecting the BRAIN, which is composed of the intracranial components of the CENTRAL NERVOUS SYSTEM. This includes (but is not limited to) the CEREBRAL CORTEX; intracranial white matter; BASAL GANGLIA; THALAMUS; HYPOTHALAMUS; BRAIN STEM; and CEREBELLUM.

**Tree numbers:** - C10.228.140

**Synonyms:** - Intracranial Central Nervous System Disorders - Brain Disorders - Central Nervous System Disorders, Intracranial - Central Nervous System Intracranial Disorders - CNS Disorders, Intracranial - Encephalon Diseases - Intracranial CNS Disorders