| sympathetic reflex dystrophy | A syndrome of pain and tenderness, usually to a hand or foot, associated with vasomotor instability, skin changes and rapid development of bony demineralisation (osteoporosis). Frequently will follow a localised trauma, stroke or peripheral nerve injury. (27 Sep 1997) |
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| sympathetic root of ciliary ganglion | Postganglionic fibres,having cell bodies in the superior cervical ganglion, branching from the carotid plexus passing through the ciliary ganglion without synapse to reach the eyeball. Synonym: radix sympathica ganglii ciliaris. (05 Mar 2000) |
| sympathetic saliva | Submaxillary saliva obtained by stimulation of the sympathetic fibres innervating the gland. (05 Mar 2000) |
| sympathetic segment | A divison of the sympathetic trunks based on the origins of the gray communicating branches. (05 Mar 2000) |
| sympathetic symptom | A disturbance of sensation or function in an organ or part more or less remote from the morbid condition giving rise to it; e.g., muscle spasm due to joint inflammation. Synonym: sympathetic symptom. (05 Mar 2000) |
| sympathetic trunk | One of the two long ganglionated nerve strands alongside the vertebral column that extend from the base of the skull to the coccyx; they are connected to each spinal nerve by gray rami and receive fibres from the spinal cord through white rami connecting with the thoracic and upper lumbar spinal nerves. Synonym: truncus sympathicus, gangliated cord. (05 Mar 2000) |
| sympathetic uveitis | A bilateral inflammation of the uveal tract caused by a perforating wound of one eye that injures the uvea. (05 Mar 2000) |
| sympathetoblast | A primitive cell derived from the neural crest glia; with the pheochromoblasts, sympathoblast's enter into the formation of the adrenal medulla and sympathetic ganglia. Synonym: sympathetoblast, sympathicoblast. Origin: sympatho-+ G. Blastos, germ (05 Mar 2000) |
| sympathetoblastoma | <tumour> Obsolete term for neuroma. (05 Mar 2000) |
| sympathic | 1. <psychology> Pertaining to, caused by or exhibiting sympathy. 2. <physiology> A sympathetic nerve or the sympathetic nervous system. Origin: Gr. Sympathetikos (19 Jan 1998) |
| sympathicectomy | <procedure, surgery> Excision of a sympathetic nerve. Occasionally used for the treatment of reflex sympathetic dystrophy. (27 Sep 1997) |
| sympathicoblast | A primitive cell derived from the neural crest glia; with the pheochromoblasts, sympathoblast's enter into the formation of the adrenal medulla and sympathetic ganglia. Synonym: sympathetoblast, sympathicoblast. Origin: sympatho-+ G. Blastos, germ (05 Mar 2000) |
| sympathicoblastoma | <tumour> Obsolete term for neuroma. (05 Mar 2000) |
| sympathicogonioma | <tumour> Obsolete term for neuroma. (05 Mar 2000) |
| sympathicolytic | Denoting antagonism to or inhibition of adrenergic nerve activity. See: adrenergic blocking agent, antiadrenergic. Synonym: sympathicolytic. Origin: sympatho-+ G. Lysis, a loosening (05 Mar 2000) |