. A treatise on practical anatomy: for students of anatomy and surgery . the third part. THE VERTEBRAL ARTERY. The vertebral artery passes up along the side of thecervical vertebrae through the foramina in the transverseprocesses, and passes behind the articular surface on theatlas, enters the skull through the foramen magnum, joinsits fellow and forms the basilar artery, which passes for-ward beneath the pons Varolii, and divides into the pos-terior cerebral arteries. The vertebral sends off branches as follows:— In the Neck. Lateral Spinal.—Seven or eight branches which passthrough the inter
. A treatise on practical anatomy: for students of anatomy and surgery . the third part. THE VERTEBRAL ARTERY. The vertebral artery passes up along the side of thecervical vertebrae through the foramina in the transverseprocesses, and passes behind the articular surface on theatlas, enters the skull through the foramen magnum, joinsits fellow and forms the basilar artery, which passes for-ward beneath the pons Varolii, and divides into the pos-terior cerebral arteries. The vertebral sends off branches as follows:— In the Neck. Lateral Spinal.—Seven or eight branches which passthrough the intervertebral foramina and divide intoanterior and posterior branches. Muscular.—Distributed to the deep muscles of neck. In the Spinal.—From the upper part of the ver-tebral. It anastomoses with its fellow and forms the THE THYROID AXIS. 237 median descending artery, which is continued by anas-tomosis the entire length of the spinal cord. Posterior SpiimJ.—Unites with its fellow and formsthrough anastomosis the descending median spinal Fig. 106.—Base of Brain, showing Circle of Willis. 1, olfactory bulb; 2. optic nenes; 3, anterior perforated space; 4, traetus opticus; 5,cms cerebri: 6. third pair of nerves; 7, fourth pair of nerves; 8, tifth pair of nerves; 9,sixth pair of nerves; 10. pyramid: 11. olivary body; 12. vertebral artery: , anteriorspinal artery ; 14, anterior terebral artery ; lamina cinerea; 16. middle cerebral artery;17, tuber cinereuTn; 18. corpora albicantia : 19, posterior perforated space; 20, posteriorcerebral artery ; 21, anterior cerebellar artery; 22, pons Varolii; 23, posterior inferior artery;24, seventh aiid eighth pairs of nerves; 25, ninth, tenth, and eleventh pairs of nerves; 26,twelfth pair of nerves ; 27, cerebellum. Posterior Meningeal.—Enters foramen magnum, and . j is distributed to the menin^s. ^ntyuuJoM/youk tn>\AriajuAn.^ Posterior Inferior.—Winds around the upper partof medulla and is distrib
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanatomy, bookyear1891
