Phenotype: sympathetic nervous system neuron absent, abnormal
Note: This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name.
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]
Name: absent
Synonyms: absence, absent from organism
Definition: A quality denoting the lack of an entity.
Ontology: Phenotypic Quality Ontology [PATO:0000462]