[1]: 453 It has an average depth of about 3 mm, but this is increased in the lower part of the spinal cord.

[citation needed] The anterior median fissure may be identified on computerized tomography (CT) myelograms, but more commonly on magnetic resonance imaging (MRI) scans.

[citation needed] This article incorporates text in the public domain from page 752 of the 20th edition of Gray's Anatomy (1918) Tomsick T, Peak E, Wang L: Fluid-Signal Structures in the Cervical Spinal Cord on MRI: Anterior Median Fissure vs. Central Canal.

AJNR 2017; 38:840–45 Oichi Y, Hanakita J, Takahashi T, Minami M, Kawakoa T, et al.: Morphological patterns of the anterior median fissure in the cervical spinal cord evaluated by computed tomography after myelography.

Fluid-signal structures in the cervical spinal cord on MRI in Chiari patients: Central canal or anterior median fissure?