nervous system Flashcards
Agraphia
Inability to convert ones thoughts into writing
afferent nerves
Transmitters of nerve impulses toward the central nervous system
Analgesia
Without sensitivity to pain
Anesthesia
Without feeling or sensation
Aphasia
Inability to communicate through speech, writing, or signs
Astrocyte
A star shaped neurological cell found in the central nervous system
Ataxia
Without muscular coordination
Aura
Sensation an individual experiences prior to migraine or epileptic seizure
Autonomic nervous system
Part of nervous system that regulates vital functions of the body. (Heart, smooth muscle, etc.)
Axon
Part of nerve cell that transports nerve impulses away from the nerve cell body
Bradykinesia
Abnormally slow movement
Brain stem
Stemlike portion of brain that connects the cerebral hemisphere with spinal cord
Burr hole
Hole drilled into the skull using a form of drill
Central nervous system
One of two main divisions of the nervous system consisting of brain and spinal cord
Cephalagia
Pain in the head
Cerebellum
Part of the brain responsible for coordinating voluntary muscle movement
Cerebral concussion
Brief interruption of brain function, usually with loss of consciousness lasting few seconds
Cerebrospinal fluid
Fluid flowing through brain around spinal cord that protects from physical blow
Cerebrum
Largest and uppermost part of the brain. Controls consciousness, memory, sensation, emotion, voluntary awareness
Cheyne strokes respirations
Abnormal pattern of breathing characterized by periods of apnea follows by deep rapid breathing
Coma
A deep sleep in which individual cannot be aroused and does not
Craniotomy
Surgical incision into the cranium or skull
Dendrite
Projection that extends from the nerve cell body; receives impulses and conducts them into cell body