| A | B |
|---|
| dendrites | carry messages to the cell body |
| axons | carry messages away from the cell body |
| neurilemma | myelin sheath |
| neuroglia | insulates, supports, protects neuron |
| irritability | ability to react when stimulated |
| conductivity | ability to transmit a stimulus to another point |
| sensory neurons | carry impulses to spinal cord and brain |
| motor neurons | carry impulses away from the brain and spinal cord |
| interneuron | carries impulses from sensory to motor neurons |
| normal resting potential | negative inside cell; positive outside |
| depolarization | positive inside cell; negative outside |
| synaptic cleft | space between neurons |
| central nervous system | brain and spinal cord |
| peripheral nervous sytem | cranial and spinal nerves |
| meninges | membranous covering of the brain |
| cerebral cortex | controls conscious thought, judgement, memory, reasoning |
| memory | storage of new information |
| dura mater | outer covering of brain and spinal cord |
| arachnoid | middle layer of brain and spinal cord covering |
| pia mater | inner covering of brain and spinal cavity |
| cerebral ventricles | cavities filled with cerebrospinal fluid |
| cerebrospinal fluid | liquid shock absorber for the brain and spinal cord |
| lumbar puncture | removal of CSF for diagnostic puposes |
| cerebrum | largest part of the brain |
| fissures | deep furrows in cerebrum |
| sulci | shallow grooves in cerebrum |
| gyri | elevated ridges between sulci |
| brocha's area | speech area |
| occipital lobe | controls eyesight |
| temporal lobe | auditory area of cerebrum |
| diencephalon | thalamus and hypothalamus |
| cerebellum | controls balance, muscle tone, and coordination of movment |
| brain stem | midbrain, pons, medulla |
