| Term | Definition |
| acetylcholine | neurotransmitter with nicotinic and muscarinic receptors |
| anencephaly | Children with this disorder are born without a forebrain, |
| apraxia | neurological disorder of motor planning characterized by loss of the ability to execute or carry out learned purposeful movements, despite having the desire and the physical ability to perform the movements |
| astrocyte | glial cell that supports endothelial cells which form the blood-brain barrier, the provision of nutrients to the nervous tissue, and a principal role in the repair and scarring process of the brain and spinal cord following traumatic injuries |
| ataxia | a neurological sign and symptom consisting of gross lack of coordination of muscle movements |
| bradykinesia | slow movement |
| cerebellum | region of the brain for integration of sensory perception, coordination and motor control |
| cerebrum | "the brain" the most superior and anterior part. 4 lobes, 2 halves |
| comatose | state of being in lethargic inertness, a coma |
| glioma | type of cancer that starts in the brain or spine |
| gyri | ridges on the cerebral cortex. generally surrounded by one or more sulci |
| hypothalamus | located below the thalamus, just above the brain stem; controls body temperature, hunger, thirst, [1] fatigue, and circadian cycles |
| leptomeningitis | Inflammation of the arachnoid membrane and adjacent subarachnoid space |
| meningioma | tumor of CNS |
| myelin sheath | surrounds axon of a neuron |
| neurasthenia | "americanitis"; a psycho-pathological term used to describe symptoms of fatigue, anxiety,headache, impotence, neuralgia and depressed mood "americanitis" |
| paraplegia | loss of motor and sensory to lower extremities |
| stroma | the connective, functionally supportive framework of a biological cell, tissue, or organ |
| synapse | specialized junctions through which neurons signal to each other and to non-neuronal cells |
| syncopal | brief loss of consciousness caused by a temporary deficiency of oxygen in the brain |
| aura | a symptom experienced before a migraine or seizure |
| cerebral angiography | a procedure that visualizes the arterial and venous supply of the brain |
| cerebral hemorrhage | bleeding within the brain |
| cerebral palsy | caused by abnormalities in parts of the brain that control muscle movements; permanently affects body movement and muscle coordination but doesnt worsen over time |
| dementia | the progressive decline in cognitive function due to damage or disease in the body beyond what might be expected from normal aging |
| dopamine | neurotransmitter with roles in behavior and cognition, motor activity, motivation and reward, inhibition of prolactin production (involved in lactation), sleep, mood, attention, and learning |
| embolus | Something that travels through the bloodstream, lodges in a blood vessel and blocks it |
| gait | a manner of walking or moving on foot |
| glioblastoma multiforme | most common and most aggressive type of primary brain tumor in humans |
| hydrocephalus | "water on the brain" abnormal accumulation of cerebrospinal fluid (CSF) in the ventricles, or cavities, of the brain |
| multiple sclerosis | autoimmune condition in which the immune system attacks the central nervous system, leading to demyelination; stops movement |
| myasthenia gravis | "serious muscle weakness" neuromuscular disease leading to fluctuating muscle weakness and fatiguability |
| palliative | reducing the severity of disease symptoms, rather than striving to halt, delay, or reverse progression of the disease itself or provide a cure |
| Parkinson disease | degenerative disease of the brain (central nervous system) that often impairsmotor skills, speech, and other functions |
| spina bifida | incomplete closure of the embryonic neural tube results in an incompletely formed spinal cord |
| tonic-clonic | aka "grand mal" seizure affects entire brain |
| Tourette syndrome | haracterized by the presence of multiple physical (motor) tics and at least one vocal (phonic) |
| transient ischemic attack | a stroke that lasts only a few minutes. It occurs when the blood supply to part of the brain is briefly interrupted. |