. Applied anatomy and kinesiology. half an inch in diameter at an average; its diameter differsconsiderably in different places, two enlargements at the levels ofthe arm and leg being of most importance. The spinal cord consists THE NERVOUS SYSTEM 43 of a Aast number of neurones, along with the supporting tissues,called neuroglia, and the blood and lymph A^essels. It is deeplycleft lengthwise by two fissures, the anterior and posterior medianfissures, dividing it into its right and left halves. The fissuresserve as a convenient guide to the study of the cord, since theanterior fissure is alway
. Applied anatomy and kinesiology. half an inch in diameter at an average; its diameter differsconsiderably in different places, two enlargements at the levels ofthe arm and leg being of most importance. The spinal cord consists THE NERVOUS SYSTEM 43 of a Aast number of neurones, along with the supporting tissues,called neuroglia, and the blood and lymph A^essels. It is deeplycleft lengthwise by two fissures, the anterior and posterior medianfissures, dividing it into its right and left halves. The fissuresserve as a convenient guide to the study of the cord, since theanterior fissure is always an open one while the posterior fissure isalways closed (Fig. 26), making it easy to distinguish of the cord show the gray and white portions dis-tinctly, the gray portion being within and entirely enclosed by the white portion. The gray portion is shaped much like a capital H; the four extremities of the H, as seen in Fig. 19, are cross-^j sections of four columns or ridges that extend up and down the.
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Keywords: ., bo, bookcentury1900, bookdecade1910, bookpublishernp, bookyear1917
