front matter 1

GW8.5 CR 36 mm M2050 Sacral Cell body stain Sacral/Coccygeal Cell body stain Spinal canal .0184 Neuroepithelium .0647 Roof plate ...

Roof plate Roof plate Floor plateFloor plate Ventral funiculus Spinal canal with persisting central part and receding dorsal and ...

Plate 21 is a survey of sections from seven levels of the spinal cord in Y380-62, a specimen in the Yakovlev Collection with a c ...

GW10.5, CR 56mm, Y380-62 Plates 22A, 22B Lower Medulla/ Upper Cervical Section 361 Total Area: 3.2032 mm^2 Plates 23A, 23B Cervi ...

GW10.5 CR 56 mm Y380-62 Lower Medulla/Upper Cervical Cell body stain Central canal .0728 Neuroepithelium .0395 Roof plate .0199 ...

Floor plateFloor plate Central canal Ventral horn motoneuron columns Ventral horn motoneuron columns Ventral horn interneurons V ...

GW10.5 CR 56 mm Y380-62 Cervical Enlargement Cell body stain Areas (mm^2 ) Central canal .0105 Neuroepithelium .0135 Roof plate ...

Floor plateFloor plate Central canalCentral canal Ventral horn interneurons Ventral horn interneurons Intermediate interneurons ...

GW10.5 CR 56 mm Y380-62 Upper Thoracic Cell body stain Central canal .0206 Neuroepithelium .0198 Roof plate .0143 Floor plate .0 ...

Floor plateFloor plate Central canal Ventral horn interneurons Ventral horn interneurons Intermediate interneurons Dorsal root b ...

GW10.5 CR 56 mm Y380-62 Lower Thoracic Cell body stain Central canal .0114 Neuroepithelium .0207 Roof plate .0100 Floor plate .0 ...

Floor plateFloor plate Central canal Central canal Ventral horn interneurons Ventral horn interneurons Intermediate interneurons ...

GW10.5 CR 56 mm Y380-62 Upper Lumbar Cell body stain Central canal .0129 Neuroepithelium .0232 Roof plate .0143 Floor plate .009 ...

Floor plateFloor plate Central canal Central canal Ventral horn interneurons Ventral horn interneurons Intermediate interneurons ...

GW10.5 CR 56 mm Y380-62 Lumbar Enlargement Cell body stain Central canal .0128 Neuroepithelium .0183 Roof plate .0128 Floor plat ...

Floor plateFloor plate Ventral horn interneurons Ventral horn interneurons Intermediate interneurons Intermediate interneurons D ...

GW10.5 CR 56 mm Y380-62 Sacral Cell body stain Central canal .0144 Neuroepithelium .0311 Roof plate .0201 Floor plate .0058 Gray ...

Floor plateFloor plate Ventral funiculus Central canal Ventral horn motoneurons Ventral horn moto- neuron column (lower trunk) V ...

Plate 29 is a survey of sections from Y68-65, a specimen in the Yakovlev Collection with a crown-rump length of 108 mm (see Chap ...

GW14, CR 108 mm, Y68-65 Plates 30A, 30B Upper Cervical Section 741 Total area: 4.1972 mm^2 Plates 31A, 31B Cervical Enlargement ...