| sympathicotropic | Having a special affinity for the sympathetic nervous system. Origin: sympathico-+ G. Tropikos, inclined, fr. Trope, a turning (05 Mar 2000) |
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| sympathicotropic cells | Large epithelioid cells in the hilum of the ovary associated with unmyelinated nerve fibres. (05 Mar 2000) |
| sympathin | <protein> A neurohormone, such asepinephrine, produced in response to stimulationof the sympathetic nervous system and which acts as a chemical mediator invarious organs. (09 Oct 1997) |
| sympathiser | 1. An eye affected with sympathetic ophthalmia. 2. One who exhibits sympathy. (05 Mar 2000) |
| sympathism | Synonym: suggestibility. Origin: G. Sympatheia, sympathy (05 Mar 2000) |
| sympathist | An obsolete term for one susceptible to suggestibility. (05 Mar 2000) |
| sympathizing eye | The uninjured eye in sympathetic ophthalmia that becomes involved later in the disease process. (05 Mar 2000) |
| sympatho- | See: sympath-. (05 Mar 2000) |
| sympathoadrenal | Relating to the sympathetic part of the autonomic nervous system and the medulla of the adrenal gland, as the postganglionic neurons. (05 Mar 2000) |
| sympathoblast | 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) |
| sympathoblastoma | <tumour> Obsolete term for neuroblastoma. Origin: sympathoblast + G. -oma, tumour (05 Mar 2000) |
| sympathochromaffin cell | The cell type in the embryonic suprarenal gland from which both sympathetic ganglion cell's and chromaffin cell's are developed. (05 Mar 2000) |
| sympathogonia | The completely undifferentiated cells of the sympathetic nervous system. Origin: sympatho-+ G. Gone, seed (05 Mar 2000) |
| sympathogonioma | <tumour> Obsolete term for neuroblastoma. Origin: sympathogonia + G. -oma, tumour (05 Mar 2000) |
| sympatholytic | 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) |