Term
| Sympathetic Nervous System Locations of Pre- and Post- ganglionic nerves |
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Definition
1. Preganglionic neurons are located in the thoracic and upper lumbar regions of the spinal cord
2. Postganglionic neurons are located in paravertebral (sympathetic trunk) or prevertebral (abdominal cavity) ganglia. |
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Term
| Parasympathetic Nervous System Locations of Pre- and Post- ganglionic nerves |
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Definition
1. Preganglionic neurons are located within the brain stem or within the sacral spinal cord.
2. Postganglionic neurons are located within ganglia that resides next to, within the walls of, or within the target organ. |
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Term
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Definition
| Small myelinated nerve fibers |
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Term
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Definition
| Small, unmyelinated nerve fibers. |
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Term
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Definition
Found only from the level of T1 to L2.
Preganglionic travel pathway for nerves. Is white due to myelination. |
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Term
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Definition
| Sympathetic ganglion located within the sympathetic trunk |
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Term
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Definition
| Sympathetic ganglion found within the abdominal cavity. |
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Term
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Definition
| Paired nerve cells which carry both a sensory and a motor (typically sympathetic) nerve. |
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Term
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Definition
| A cranial ganglia with preganglionic nerves arising from Edinger-Westphal nuclei (Cranial Nerve III) and innervate the pupillary sphincter and ciliary muscles of the eye. |
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Term
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Definition
| A cranial ganglia with preganglionic nerves arising from Superior Salvatory Nuclei (Cranial Nerve VII) and innervates the salivary glands of the submandible, sublingual, and oral cavities |
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Term
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Definition
| A cranial ganglia with preganglionic nerves arising from the Inferior Salvatory Nuclei (Cranial Nerve IX) and innervates the parotid salvatory gland and the glands of the mouth. |
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Term
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Definition
| The inner portion of the adrenal gland, composed of chromaffin cells, and secretes Epinephrin (80%) and Norepinephrin (20%) into the blood stream to act as hormones. |
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