2001, Cilt 17, Sayı 4, Sayfa(lar) 091-096
Macroanatomical Investigations on the Dural Sinuses and Their Extracranial Venous Connections in Akkaraman Sheep and Angora Goat
Hakan Yalçın, Sadettin Tıpırdatmaz
S.Ü. Veteriner Fakültesi Anatomi Anabilim Dalı, KONYA
Keywords: Akkaraman sheep, Angora goal, sinus durae matris, dorsal sagiltal sinus, extracranial connection
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In this study, extracranial connections of the dural sinus were investigated in Akkaraman Sheep and Angora Goat. For this purpose, eight adult healtly Akkaraman sheep and Angora goat either sex were used as a material. Blue lalex was injected into the external jugular vein. It was determined that the dural sinus consisted ol the ventral and dorsal systems of the dural sinuses. The dorsal system is composed of the transverse sinus, temporal stnus, sigmoid sinus, confluens sinuum, dorsal sagittal sinus and straight sinus The ventral system of the dural sinus is consisted of the ventral petrosus sinus, basilar sinus and cavernosus sinus. It was observed that extracranial connection of vertebral vein and occipital vein is to be provided by occipital emissarial vein, It was determined that extracranial connection of basilar sinus and ventral petrosal sinus is to be provided hypoglossial n. canal emissarial vein. II was determined that extracranial connection of ventral petrosal sinus and occipital vein is to be provided by jugular torammal emissary vein. It was determined that extracranial connectioned of temporal sinus and pterygoideal plexus is to be provided by retroarticular foraminal emissary vein. It was observed that extracranial vein connection of cavernosa! sinus and pterygoideal plexus is to be provided by oval foraminal emissarial vein. It was determined thai extracranial connection ol cavernosa! sinus and ophthalmic plexus is to be provided by orbitorotundi foraminal emissarial vein.