sympathetic ganglion morphology trait paravertebral ganglion morphology trait 2010-04-21T04:14:52Z Any measurable or observable characteristic related to the shape, structure, color, or pattern of the groups of postsynaptic neurons located at intervals along the sympatheic trunk, including the superior cervical, middle cervical and stellate (cervicothoracic) ganglia as well as the thoracic, lumbar and sacral ganglia. Trait.ontology VT:0015050 smb