. Human physiology : designed for colleges and the higher classes in schools, and for general reading. A SIDE VIEW OF A VERTEBRA. A VERTEBRA. one of the vertebrae ; a, being the body of the bone; b, the holewhich forms this vertebras part of the canal for the spinalmarrow; and c, the spinous process. It is these spinous pro-cesses that make the row of projecting points seen down thelength of the back. There are six other processes, only four ofwhich you can see in the figure. Four of these processes serveto lock the vertebra with its two adjoining ones above andbelow, which they do so strongly
. Human physiology : designed for colleges and the higher classes in schools, and for general reading. A SIDE VIEW OF A VERTEBRA. A VERTEBRA. one of the vertebrae ; a, being the body of the bone; b, the holewhich forms this vertebras part of the canal for the spinalmarrow; and c, the spinous process. It is these spinous pro-cesses that make the row of projecting points seen down thelength of the back. There are six other processes, only four ofwhich you can see in the figure. Four of these processes serveto lock the vertebra with its two adjoining ones above andbelow, which they do so strongly, that there can be no disloca-tion of them without a fracture. Fig. 93 gives a side view ofa vertebra. Strong ligaments bind these bones together, andthere are very numerous muscles attached to the processes, so THE BONES. 185 Spinal column. Canal through it. Cartilages. that this jagged column of bones is very thoroughly envelopedin softer substances. 285. In Fig. 94. you see the whole ,! : 9! spinal column with the sacrum on whichit stands. It is laid open by a verti-cal section dividing it int
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