Key to Spinal Cord, cross section - models SC 10 & 11 
1	dorsal gray horn
2	ventral gray horn
3	lateral gray horn
4	gray commissure
5	ventral root
6	dorsla root (rootlets)
7	lateral gray horn
8	ventral median sulcus/fissure
9	dorsal median sulcus/fissure
10a	ventral root
10b	dorsal root
11	dorsal root
12	lateral gray horn
13	ventral gray horn
14	gray commissure
15	central canal
16	white matter
17	ventral horn
18	dorsal horn
19	ventral median sulcus/fissure
20	dorsal median sulcus/fissure
21	dorsal root ganglion
22	ventral root
23	white matter
24	dorsal root