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Nerves Flashcards
Flashcards for the different nerves for A&P with Review 1
| Question | Answer |
|---|---|
| Gracile Fasciculus | Ascending. Column-Posterior. Decussation-In medulla. Functions-Sensations of limb and trunk position and movement, deep touch, visceral pain, and vibration, below level T6 |
| Cuneate Fasciculus | Ascending. Column-Posterior. Decussation-In medulla. Functions-Same as Gracile Fasciculus, from level T6 up. |
| Spinopthalmic | Ascending. Column-Lateral and Anterior Decussation- In spinal cord. Functions-Sensations of light touch, tickle, itch, temperature, pain and pressure. |
| Spinoreticular | Ascending. Column-Lateral and anterior. Decussation- In spinal cord (some fibers). Functions-Sensation of pain from tissue injury. |
| Posterior Spinocerebellar | Ascending. Column-Lateral. Decussation-none. Function-Feedback from muscles (proprioception). |
| Anterior Spinocerebellar | Ascending. Column-Lateral. Decussation-In spinal cord. Function-Same as Posterio Spinalcerebellar. |
| Lateral Corticospinal | Descending. Column-Lateral. Decussation-In medulla. Functions-Fine control of limbs. |
| Anterior Corticopsinal | Descending. Column-Anterior. Decussation-In spinal cord. Functions-Fine control of limbs. |
| Tectospinal | Descending. Column-Anterior. Decussation-In midbrain. Functions-Reflexive head turning in response to visual and auditory stimuli. |
| Lateral Reticulospinal | Descending. Column-Lateral. Decussation-none. Functions-Balance and posture; regulation of awareness of pain. |
| Medial Reticulospinal | Descending. Column-Anterior. Decussation-none. Functions-Same as Lateral Reticulospinal. |
| Lateral Vestibulospinal | Descending. Column-Anterior. Decussation-none. Functions-balance and posture. |
| Medial Vestibulospinal | Descending. Column-Anterior. Decussation-In medullaz(some fibers). Functions-Control of head position. |
| Sympathetic Division | Thoracolumbar. Paravertebral ganglia adjacent to spinal column and prevertebral ganglia anterior to it. Short preganglionic. Long postganglionic. Extensive neural divergence. System often has widespread and general effects. |
| Parasympathetic Division | Craniosacral. Terminal ganglia near or within target organs. Long preganglionic. Short postganglionic. Minimal neural divergence. System has more specific and local effects. |