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Lumbar enlargement

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Dorlands /Elsevier  i_11/12457957
FMA  74895
TA  A14.1.02.003
Lumbar enlargement
Latin  intumescentia lumbosacralis

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 S2, 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.

References

Lumbar enlargement Wikipedia


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