Elements of animal physiology, chiefly human . n thus contains in all thirty-threevertebrse, consisting ofseven cervical (neck),I 7 Cervical twelve clorsal (back), fiveC Vertebrae. ^^^^^5^^ (loius) Vertebralbones, togetherwith theOS sacrum and os coccygis,which are all clearly shownin fig. 9. It will be observed on examining the diagram of the vertebral column, that I 12 Dorsal tl^® vcrtehrce increase in {;j;g ^^^(j strength doionivard,because of the greater bur-den they have to bear,thus affording additionalstructural proof that the6rec^ is the position naturalto man. It will also
Elements of animal physiology, chiefly human . n thus contains in all thirty-threevertebrse, consisting ofseven cervical (neck),I 7 Cervical twelve clorsal (back), fiveC Vertebrae. ^^^^^5^^ (loius) Vertebralbones, togetherwith theOS sacrum and os coccygis,which are all clearly shownin fig. 9. It will be observed on examining the diagram of the vertebral column, that I 12 Dorsal tl^® vcrtehrce increase in {;j;g ^^^(j strength doionivard,because of the greater bur-den they have to bear,thus affording additionalstructural proof that the6rec^ is the position naturalto man. It will also beobserved that the trans-verse and lateral 2>>ocessesbecome larger, especially 5 LumbaTat tlio lolus, for the attach- ^*^*nient of larger and morepowerful muscles. 67. A Vertebra (fromLat. verto, I turn) is asingle complete segment of ^^^_ the vertebral column, orhony axis of the trunk. Itis one of the irregularbones: its essential partsare the body or centrum(its anterior segment), anda posterior segment, thearch. (See figs. 10, 11.). Spi:process 0,3 Coccygi3 Fig. 9. Vertebral Column, A VERTEBRA. 39 But tHe vertehrm also usually contain transverse andspinous processes for the attachment of the muscles bywhich the body is su2oported, lent, and turned; lateral Transverse process. Lateral Notch to formLateral Foramen. Vertebral CanaL ~. Flat end of the Body. _
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Keywords: ., bookce, bookdecade1870, booksubjectanatomy, booksubjectphysiology
