Trigeminal neuralgia or tic douloureux is a neuropathic disorder characterized by episodes of intense pain in the face, originating from the trigeminal nerve. It has been described as among the most painful conditions known. NERVUS FACIALIS kmentJadra CN VII kmenCrJadra CN VII kmenCrNa cn-7 CN VII obr CN VII sluch11 89a N. petrosus major Chorda tympani nXII N. auricularis post. Rr. musculares nVII Plexus parotideus (pes anserinus major) - rr. temporales - rr. zygomatici - rr. bucales - r. marginalis mandibulae - r. colli NERVUS GLOSSOPHARYNGEUS kmentJadra CN IX cn-9 kmenCrNa n IXb CN IX nIXc Rr. pharyngei R. stylopharyngeus Rr. tonsillares Rr. linguales NERVUS VAGUS kmentJadra CN X cn-10 kmenCrNa CN X n Xb CN X nXIb nX nXa nXd nXb nXc NERVUS ACCESSORIUS kmentJadra CN XI n XIb n. XI. kmenCrNa n. XI. cn-11 nXIa NERVUS HYPOGLOSSUS kmentJadra CN XII cn-12 CN XII n XII nXI CN XII CN XII CN XII baseCrNerve III. IV. V. VI. VII. VIII. XII. IX., X., XI. PARASYMPATHETIC GANGLIA nIIIae GANGLION CILIARE kmentJadra Ggl. ciliare Sympathetic fibres M. sphincter pupillae Miosis M. dilatator pupillae Mydriasis Light from a single point of a distant object and light from a single point of a near object being brought to a focus by changing the curvature of the lens. Parasympathetic fibres M. ciliaris Akomodation When parasympathetic stimulation causes the smooth muscle of the ciliary body to contract, tension on the lens is reduced, allowing the lens to round up – near vision shape. GANGLION PTERYGOPALATINUM obr ggl. pterygopalatinum kmentJadra N. canalis pterygoidei sluch11 N. petrosus major GANGLION PTERYGOPALATINUM obr ggl. pterygopalatinum nVophthalMaxilla R. communicans cum nervo zygomatico Rr. nasales posteriores mediales et laterales N. nasopalatinus N. palatinus major Nn. palatini minores OticChordaOprava2 GANGLION OTICUM ET SUBMANDIBULARE ggl. oticum kmentJadra Ggl. submandibulare Ggl. oticum nVmandib2 nVII nVmandib •Illustrations were copied from: •Atlas der Anatomie des Menschen/ Sobotta. Putz,R., und Pabst,R. 20. Auflage. München: Urban & Schwarzenberg, 1993 •Netter: Interactive Atlas of Human Anatomy. Windows Version 2.0 •