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CNS
Central Nervous System, consists of the brain and spinal cord.
Meninges
Three protective membranes (dura mater, arachnoid mater, pia mater) covering the brain and spinal cord.
Cerebrospinal Fluid
A clear fluid that surrounds the brain and spinal cord, providing cushioning and support.
Blood Brain Barrier
A selective permeability barrier that protects the brain from harmful substances in the bloodstream.
Ataxia
A neurological sign consisting of lack of voluntary coordination of muscle movements, commonly resulting from cerebellum damage.
Meningitis
An inflammation of the membranes (meninges) surrounding the brain and spinal cord, usually caused by infection.
Hydrocephaly
A medical condition characterized by an accumulation of cerebrospinal fluid in the brain.
Concussion
A mild traumatic brain injury typically resulting from a blow to the head.
Contusion
A bruise of nervous tissue that occurs when there is a direct impact leading to destruction of nervous tissue.
Cerebral Edema
Swelling of the brain due to the inflammatory response, potentially compressing and damaging brain tissue.
Cerebrovascular Accident (CVA)
Commonly known as a stroke; it occurs when blood flow to a part of the brain is interrupted.
Alzheimer’s Disease
A progressive neurodegenerative disorder characterized by memory loss, confusion, and changes in behavior.
Parkinson’s Disease
A degenerative disorder of the central nervous system that affects movement and can cause tremors.
Huntington's Disease
A genetic disorder that causes the progressive degeneration of nerve cells in the brain, leading to mental and movement disorders.
Dura Mater
The tough outer layer of the meninges.
Arachnoid Mater
The middle layer of the meninges, characterized by a web-like structure.
Pia Mater
The delicate inner layer of the meninges that directly covers the brain.
