Another pictures:
Description:
Cervical enlargement – spindle-shape enlargement at the level C3 – Th2 vertabrae (segments C3 –Th1), owing by the mass of motoneurons for the muscles of the upper 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)