A longitudinal section of the basal plate of the spinal cord at the level of the T-11–L-2 dermatomes.
Observe:
1. The neural crest cells between the plates of the spinal cord and the dermatomes.
2. The neural canal in longitudinal section.
Keywords: L-1 dermatome, L-2 dermatome, T-11 dermatome, T-12 dermatome, alar plate, basal plate, neural canal, neural crest cells, roof plate, sulcus limitans
Source: Atlas of Human Embryos.