| Name: | sympathetic nervous system |
|---|---|
| Synonyms: | |
| Definition: | Autonomic nervous system that originates beginning at the thoracic and lumbar areas of the spinal cord. Sympathetic neurons are primarily adrenergic producing the neurotransmitter noradrenalin along with other neuropeptides. |
| Ontology: | Anatomy Ontology [ZFA:0001576] |
| Name: | neuron |
|---|---|
| Synonyms: | |
| Definition: | The basic cellular unit of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the nervous system. |
| Ontology: | Anatomy Ontology [ZFA:0009248] |