|Diagrams of the medulla spinalis. (Cervical enlargement labeled at center right.)|
|Gray's||subject #185 752|
It commences about the level of the ninth thoracic vertebra, and reaches its maximum circumference, of about 33 mm., opposite the last thoracic vertebra, below which it tapers rapidly into the conus medullaris.
- lumbosacral+enlargement at eMedicine Dictionary
- Norman/Georgetown lesson6spinalcord&coverings
- SUNY Labs 02:08-0102 - "Vertebral Canal and Spinal Cord: Regions of the Spinal Cord"
- Atlas of anatomy at UMich n3a5p3 - "Spinal Cord, Fetus, Posterior View"
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