Henry Gray (1825–1861). Anatomy of the Human Body. 1918.
pages 109
| the upper surface of the body of the first sacral vertebra, which is connected with the under surface of the body of the last lumbar vertebra by an intervertebral |
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FIG. 97– Lateral surfaces of sacrum and coccyx. (See enlarged image) |
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FIG. 98– Base of sacrum. (See enlarged image) |