Henry Gray (1825–1861). Anatomy of the Human Body. 1918.
pages 1305
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FIG. 1212– Diagram showing the relation of the medulla spinalis to the dorsal surface of the trunk. The bones are outlined in red. (See enlarged image) |
| 4. Surface Markings of the Back |
Bony Landmarks.—In order to identify any particular spinous process it is customary to count from the prominence caused by the seventh cervical and first |