A system of human anatomy, general and special . hes of the basilar artery supply the ponsVarolii, and adjacent parts of the brain. One of these branches, * Edinburgh Medical and Surgical Journal, 1839. BRANCHES OF SUBCLAVIAN. 319 larger than the rest, passes along the cms cerebelli, to be distributedto the anterior border of the cerebellum. This may be called themiddle cerebellar artery. The Superior cerebellar arteries, two of the terminal branches ofthe basilar, wind around the crus cerebri on each side, in relationwith the fourth nerve, and are distributed to the upper surface of thecerebe


A system of human anatomy, general and special . hes of the basilar artery supply the ponsVarolii, and adjacent parts of the brain. One of these branches, * Edinburgh Medical and Surgical Journal, 1839. BRANCHES OF SUBCLAVIAN. 319 larger than the rest, passes along the cms cerebelli, to be distributedto the anterior border of the cerebellum. This may be called themiddle cerebellar artery. The Superior cerebellar arteries, two of the terminal branches ofthe basilar, wind around the crus cerebri on each side, in relationwith the fourth nerve, and are distributed to the upper surface of thecerebellum, inosculating with the inferior cerebellar. This arterygives off a small branch, which accompanies the seventh pair ofnerves into the meatus auditorius internus. The Posterior cerebral arteries, the other two terminal branchesof the basilar, wind around the crus cerebri at each side, and are dis-tributed to the posterior lobes of the cerebrum. They are separatedfrom the superior cerebellar artery, near their origin, by the third Fig. 145.*. pair of nerves, and are in close relation with the fourth pair, in theircourse around the crura cerebri. Anteriorly, near their origin, theygive off a tuft of small vessels, which enter the locus perforatus, and * The circle of Willis. The arteries have references only on one side, on account oftheir symmetrical distribution. 1. The vertebral arteries. 2. The two anterior spinalbrandies uniting- to form a single vessel. 3. One of the posterior spinal arteries. 4. Theposterior meningeal. 5. The inferior cerebellar. 6. The basilar artery giving off itstransverse branches to cither side. 7. The superior cerebellar artery. 8. The posteriorcerebral. 9. The posterior communicating branch of the internal carotid. 10. The in-ternal carotid artery, showing the curvatures it makes within the skull. 11. The oph-thalmic artery divided across. 12. The middle cerebral artery. 13. The anterior cerebralarteries connected by, 14. The anterior communicat


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Keywords: ., bookcentury1800, bookdecade1840, booksubjectanatomy, bookyear1847