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Vet 114
Ch 12
| Question | Answer |
|---|---|
| The functional unit is a … | Neuron |
| Brain and spinal cord | Central nervous system (cns) |
| Dendrites: | Carries impulses toward the cell body |
| Axon: | Carries impulses away from the cell body |
| Dendrites | Dendr/o |
| Axon | Ax/o |
| Myelin sheath: | Fatty tissue that protects and I insulates axon |
| Afferent nerves: | Sensory nerves |
| Efferent nerves: | Motor nerves |
| Oligodendrocytes: | Form myelin in the central nervous system |
| Schwann cells: | Form myelin, phagocyte in the peripheral nervous system |
| Brain | Encephal/o |
| Spinal cord | Myel/o |
| Meninges: | Protective three layer membrane that surrounds the brain and spinal cord |
| Meninges | Mening/o or meningi/o |
| Meninges three layers: | Dura mater, arachnoid membrane / mater, pia mater |
| Epidural: | Above dura mater |
| CSF is present: | In the subarachnoid space |
| Cerebrum: | Is the largest part and is responsible for memory, speech, movement, hearing, vision and smell and higher thought process |
| Cerebrum | Cerebr/o |
| Cerebellum: | Is the second largest part that maintains balance and coordinates voluntary movement |
| Cerebellum | Cerebell/o |
| Gyri | Gyr/o |
| Syncope: | Fainting |
| Stupor: | Partial unconsciousness and decreased response to stimuli |
| -paresis | Weakness |
| -plegia | Paralysis |
| Ataxia: | Uncoordinated |
| PLR | Pupillary light reflex |