. Cunningham's Text-book of anatomy. Anatomy. Antero-medial group of motor cells Intermedio-lateral column of cells Postero-medial group of motor cells Fig, 469.—Section through the Eighth Thoracic Segment of the Spinal Medulla. (To a large extent founded on Plates in Dr. Bruce's Atlas.) Posterior median septum Posterior lateral furrow Posterior column of matter Intermedio-lateral Cell-column.—The intermedio-lateral cells form a long slender column which extends throughout the entire thoracic region of the medulla in the lateral column of gray matter. It is also pro- longed downwards into the
. Cunningham's Text-book of anatomy. Anatomy. Antero-medial group of motor cells Intermedio-lateral column of cells Postero-medial group of motor cells Fig, 469.—Section through the Eighth Thoracic Segment of the Spinal Medulla. (To a large extent founded on Plates in Dr. Bruce's Atlas.) Posterior median septum Posterior lateral furrow Posterior column of matter Intermedio-lateral Cell-column.—The intermedio-lateral cells form a long slender column which extends throughout the entire thoracic region of the medulla in the lateral column of gray matter. It is also pro- longed downwards into the first and second lum- bar segments, where it disappears. In transverse sections through the medulla this cell-group presents a very character- istic appearance, because the cells which compose it are small and are closely packed together. Al- though these cells, as a continuous column, are restricted to the region indicated, it should be noted that the same group of cells reappears above, in certain of the cervical segments, and also in the third and fourth sacral segments. From these cells very fine fibres arise and leave the medulla spinal, intermingled with the motor fibres of the anterior nerve-roots; they pass into the sympathetic ganglia, of which they con. Anterior median fissure Postero-lateral group Antero-medial group of cells Antero-lateral group of cells Fig. 470.—Section through the Third Lumbar Segment of the Spinal Medulla to show the grouping of the Motor Cells. (To a large extent founded on Plates in Dr. Bruce's Atlas.) 1 Those who seek further information regarding the grouping of the ventral cells of the medulla may with advantage study Dr. Alexander Bruce's Atlas of the Spinal Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cunningham, D. J. (Daniel John), 1850-1909; Robinson
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1914
