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Arachnoid Mater

Delicate, lacelike membrane covering the central nervous system.

Autonomic Nervous System

The part of the nervous system concerned with reflex control of bodily functions.

Cerebrospinal Fluid

Liquid that circulates within the meninges of the spinal cord and ventricles and meninges of the brain.

Cranium

The skull.

Ganglion

A mass of nerve tissue that receives and sends out nerve impulses.

Medulla Oblongata

Enlarged portion of the spinal cord; the lower portion of the brainstem.

Meninges

The membranes covering the brain and spinal cord.

Addiction

Being addicted to a particular substance, thing, or activity.

Anxiety Disorder

Feeling of fear or agitation caused by an event or activity that makes you nervous or worrisome.

Bipolar Disorder

A mental health condition that causes extreme mood swings that include emotional highs (mania) and lows (depression).

Epilepsy

Disorder in which nerve cell activity in the brain is disturbed, causing seizures.

Hallucinations

Sensations that appear to be real but are created within the mind.

Obsessive Compulsive Disorder (OCD)

A long-lasting disorder characterized by uncontrollable, recurring thoughts and/or behaviors.

Panic Attacks

Sudden episodes of intense fear that trigger severe physical reactions without real danger.

Phobias

Strong, irrational fears of something that poses little or no real danger.

Post Traumatic Stress Disorder (PTSD)

A mental health condition triggered by a terrifying event.

Sympathetic Nervous System (SNS)

Part of the nervous system that increases heart rate, blood pressure, breathing rate, and pupil size.

Schizophrenia

A serious mental disorder in which people interpret reality abnormally.

Stigma

Negative social attitudes toward a person or group based on characteristics such as mental illness.

Sensory Neurons

Nerves that receive and transmit stimuli from the sense organs.

Olfactory

Pertaining to the sense of smell.

Subdural Space

Beneath the dura mater; the space between the arachnoid and the dura mater.

Pons

A portion of the brainstem connecting the medulla oblongata and cerebellum with upper portions of the brain.

Myelography

An X-ray examination of the spinal cord following an injection of a radiopaque material.

Magnetic Resonance Imaging (MRI)

A diagnostic test using magnetic waves to visualize internal body structures.