front matter 1

GW14 CR 108 mm Y68-65 Upper Cervical Cell body stain Central canal .0053 Neuroepithelium .0182 Roof plate .0290 Floor plate .002 ...

Roof plate Roof plate Floor plateFloor plate Central canalCentral canal Ventral horn interneurons Ventral horn interneurons Inte ...

GW14 CR 108 mm Y68-65 Cervical Enlargement Cell body stain Central canal .0056 Neuroepithelium .0127 Roof plate .0192 Floor plat ...

Roof plate Roof plate Floor plateFloor plate Ventral horn interneurons Ventral horn interneurons Intermediate interneurons Inter ...

GW14 CR 108 mm Y68-65 Upper Thoracic Cell body stain Central canal .0021 Neuroepithelium .0063 Roof plate .0135 Floor plate .004 ...

Roof plate Roof plate Floor plateFloor plate Ventral horn motoneuron column Ventral horn interneurons Ventral horn interneurons ...

GW14 CR 108 mm Y68-65 Middle Thoracic Cell body stain Central canal .0018 Neuroepithelium .0084 Roof plate .0152 Floor plate .00 ...

Roof plate Floor plateFloor plate Ventral funiculus Ventral horn motoneuron columns Ventral horn interneurons Ventral horn inter ...

GW14 CR 108 mm Y68-65 Lower Thoracic Cell body stain Central canal .0039 Neuroepithelium .0128 Roof plate .0171 Floor plate .001 ...

Roof plate Floor plateFloor plate Ventral funiculus Central canal Ventral horn motoneuron columns Lateral horn motoneurons (auto ...

GW14 CR 108 mm Y68-65 Upper Lumbar Cell body stain Central canal .0056 Neuroepithelium .0140 Roof plate .0315 Floor plate .0076 ...

Roof plateRoof plate Floor plateFloor plate Ventral horn interneurons Ventral horn interneurons Intermediate interneurons Interm ...

GW14 CR 108 mm Y68-65 Lumbar Enlargement Cell body stain Central canal .0059 Neuroepithelium .0118 Roof plate .0271 Floor plate ...

Roof plateRoof plate Floor plateFloor plate Dorsal root Ventral root Ventral horn interneurons Ventral horn interneurons Interme ...

GW14 CR 108 mm Y68-65 Sacral/Coccygeal Cell body stain Central canal .0045 Neuroepithelium .0134 Roof plate .0254 Floor plate .0 ...

Roof plateRoof plate Floor plateFloor plate Dorsal root Dorsal root Ventral root Lateral horn motoneurons? Lateral horn motoneur ...

lower concentration of proliferating glia in the white matter at lumbosacral levels (column 4, Table III B-1) refl ects the grad ...

GW19, CR 130 mm, Y52-61 Plates 39A, 39B Upper Cervical Total area: 4.1202 mm^2 Plates 40A, 40B Cervical Enlargement Total area: ...

GW19 CR 130 mm Y52-61 Upper Cervical Cell body stain Central canal .0050 Neuroepithelium .0170 Roof plate .0152 Floor plate .005 ...

Roof plateRoof plate Floor plateFloor plate VVentral funiculusentral funiculus Ventral corticospinal tract Ventral corticospinal ...