. Quain's Elements of anatomy. Fig. and FROM THE RIGHT SIDK. bv D. (iunn.) 4 COCCYX, (Drawn. Fig. 15. — Transverse section ok sacrum, passing THROUOH THE FIRST PAIR i>K IliRAMINA. ((t. D. T. ) I This the micrul , which isUrvera-c sacral index in tlio proportion is expressed by ^, „ ,, . , 1 1<* X breadth „, asceitained l)y the following calculation, ; . The length male European is 112, in the Nc-rro IOC, in the Australian !)!), 16 THE VERTEBRAL COLUMN. and in the i^ndamanese 94. In the European female it is about 116. The anthropoid apeshave a sacral index varying f
. Quain's Elements of anatomy. Fig. and FROM THE RIGHT SIDK. bv D. (iunn.) 4 COCCYX, (Drawn. Fig. 15. — Transverse section ok sacrum, passing THROUOH THE FIRST PAIR i>K IliRAMINA. ((t. D. T. ) I This the micrul , which isUrvera-c sacral index in tlio proportion is expressed by ^, „ ,, . , 1 1<* X breadth „, asceitained l)y the following calculation, ; . The length male European is 112, in the Nc-rro IOC, in the Australian !)!), 16 THE VERTEBRAL COLUMN. and in the i^ndamanese 94. In the European female it is about 116. The anthropoid apeshave a sacral index varying from 87 in the orang- to 72 in the gorilla. (Turner, Journ. Anat., • Challenger Reports, Zoology, xvi.) Varieties.—The sacrum not unfrequently consists of six pieces, a condition which isgenerally due to the inclusion of the first coccygeal vertebra. More rarely there are only foursacral vertebrEe. Occasionally the bodies of the first and second vertebra are not united,though complete union has taken place in every other part ; or the first vertebra may presenton one side the usual s
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishe, booksubjectanatomy
