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Description:
Lumbosacral enlargement – spindle-shaped enlargement at the level Th9 –L1 vertebrae (segments L1 – S3), owing by the mass of motoneurons for the muscles of the lower limbs.
Cervical enlargement Lumbosacral enlargement Medullary cone Terminal filum Segment of spinal cord Cervical part Carvical segments (1 - 8) Thoracic part Thoracic segments (1 - 12) Lumbar part Lumbar segments (1 - 5) Sacral part Sacral segments (1 - 5) Coccygeal part Coccygeal segments (1 - 3)