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Autonomic and trigeminal ocular projections. The dotted line shows a ciliary ganglion projection to the choroid which, to date, has been shown only in birds. Line thickness indicates relative strength of projection. Abbreviations: BV - Blood vessels; CNS – Central nervous system; EWpg – Nucleus of Edinger-Westphal, preganglionic division; ICN – Intrinsic choroidal neurons; IML – Intermediolateral nucleus; NVSM – Non-vascular smooth muscle; SSN – Superior salivatory nucleus.
