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Figure 2


Fig. 1B —Schematics illustrate three stages of spinal cord development. Canalization occurs when multiple microcysts form and coalesce in caudal cell mass (arrows), which fuses to distal neural tube (arrowheads), forming primitive spinal cord. (Reprinted with permission from Barkovich AJ. Normal development of the neonatal and infant brain, skull and spine. In: Barkovich AJ. Pediatric neuroimaging, 3rd ed. Philadelphia, PA: Lippincott Williams & Wilkins, 2000:624 [2])