. A treatise on practical anatomy: for students of anatomy and surgery . h the cavernous sinus (8); 7, inferior petro-sal sinus, joining the eavet-imus sinus (S) with the jugular vein (9); 8, cavernous sinus;9, internal jugular vein formed by two sinuses (o and 7); lU, occipital sinus; 11, venaeGaleni; 12, vein passing to nasal cavity; 13, foramen otecain. the petrous bone, and terminate at the posterior laceratedforamina. OccipitO:!.—Two small sinuses from the sides of theforamen magnum; they empty into the lateral sinusesnear the point of their communication with the superiorlongitudinal. Ca
. A treatise on practical anatomy: for students of anatomy and surgery . h the cavernous sinus (8); 7, inferior petro-sal sinus, joining the eavet-imus sinus (S) with the jugular vein (9); 8, cavernous sinus;9, internal jugular vein formed by two sinuses (o and 7); lU, occipital sinus; 11, venaeGaleni; 12, vein passing to nasal cavity; 13, foramen otecain. the petrous bone, and terminate at the posterior laceratedforamina. OccipitO:!.—Two small sinuses from the sides of theforamen magnum; they empty into the lateral sinusesnear the point of their communication with the superiorlongitudinal. Cavernous.—Consists of a series of cells opening intoone another; lies in tlie cavernous groove at the side ofthe body of the sphenoid. It drains the orbit, receivingthe ophthalmic vein. THE VEINS OF THE NECK. 259 Pltuitari/, or Circalar.—Encircles the sella connects the cavernous sinuses. Transverse.—Connects the two great petrosal is placed at the articulation of the os planum of thesphenoid with the basilar process of the occipital. Vv^^. Fig. 112.—Diagram showing the Venous Sinuses of the Dura Mater. A, anterior fossa of skull ; B. middle fossa- C, posterior fossa; FS, frontal sinus; I,torcular Ilerophili; 2, 2, lateral sinuses; 3, 3, occipital sinuses: 4, 4. superior petrosal sinuses ;5, 5, inferior petrosal sinuses : 6, transverse sinus; 7. 7. cavernous sinuses: 8, circular sinus,9, opening into internal ju!;\ilar vein; 10. ophthalmic vein, communicating with cavernoussinus (7); 11, a branch joining the occipital and inferior petrosal sinuses ; 12, veins fromposterior condyloid foramen to lateral sinus. Great Petrosal.—Is the continuation backward ofthe cavernous sinus. It lies in the suture betweenthe petrous part of temporal and the side of the basilarprocess. Lesser Petrosal.—Lies in the superior border of thepetrous part of temporal and connects the lateral and thecavernous sinuses. 260 PRACTICAL ANATOMY. VEINS OF THE UPPER EXTREMITY.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanatomy, bookyear1891
