Henry Gray (1825–1861). Anatomy of the Human Body. 1918.
FIG. 641
 |
| Transverse section of the medulla spinalis of a human embryo at the beginning of the fourth week. The left edge of the figure corresponds to the lining of the central canal. (His.) |
Henry Gray (1825–1861). Anatomy of the Human Body. 1918.
|
| Transverse section of the medulla spinalis of a human embryo at the beginning of the fourth week. The left edge of the figure corresponds to the lining of the central canal. (His.) |