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Anterior median fissure of spinal cord

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TA  A14.1.02.007
FMA  83735
Anterior median fissure of spinal cord
Latin  fissura mediana anterior medullae spinalis

The anterior median fissure of the spinal cord has an average depth of about 3 mm, but this is increased in the lower part of the medulla spinalis.

It contains a double fold of pia mater, and its floor is formed by a transverse band of white substance, the anterior white commissure, which is perforated by blood vessels on their way to or from the central part of the medulla spinalis.

The anterior median fissure provides a groove in which the anterior spinal artery sits. From here, it provides the anterior part of the spinal cord. It is sourced from the segmental medullary arteries and the segmental spinal arteries which are sourced from the intercostal arteries.

References

Anterior median fissure of spinal cord Wikipedia


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