Lumbar enlargement

Lumbar enlargement
Diagrams of the medulla spinalis. (Cervical enlargement labeled at center right.)
Details
Identifiers
Latinintumescentia lumbosacralis
TA98A14.1.02.003
TA26051
FMA74895
Anatomical terminology

The lumbar enlargement (or lumbosacral enlargement) is a widened area of the spinal cord that gives attachment to the nerves which supply the lower limbs.

It commences about the level of T11 and ends at L2, and reaches its maximum circumference, of about 33 mm. Inferior to the lumbar enlargement is the conus medullaris.

An analogous region for the upper limbs exists at the cervical enlargement.

Additional images



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