There are none!: As there are no Costal processes on Lumbar spine. They are present only on Thoracic spine where the Ribs are articulating. Very rarely, in some individuals, the upper Lumbar vertebra ( L1) might have a short process, like a small rib; but that is very very rare.
Answered 11/30/2014
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
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