Table 2.
Volume, neuron number and neuron soma size in the different layers of the seven subdivisions of the rhesus monkey entorhinal cortex
| Volume (mm3) | Neuron number | Neuron soma size (μm3) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | % | Mean | SD | % | Mean | SD | ||
| Eo | 1 | 0.86 | 0.25 | 7.5 | - | - | - | - | |
| II | 0.98 | 0.17 | 8.4 | 40,137 | 7,108 | 10.0 | 1,216 | 66 | |
| III | 7.78 | 1.31 | 67.1 | 296,929 | 41,347 | 73.7 | 1,795 | 95 | |
| V-VI | 1.97 | 0.28 | 17.0 | 65,969 | 8,391 | 16.4 | 1,696 | 171 | |
| Total | 11.59 | 1.66 | 100.0 | 403,035 | 53,910 | 100.0 | - | - | |
| Er | 1 | 1.50 | 0.39 | 9.2 | - | - | - | - | |
| II | 1.47 | 0.28 | 9.0 | 50,417 | 12,078 | 10.0 | 1,629 | 158 | |
| III | 8.24 | 1.26 | 50.9 | 281,868 | 48,238 | 55.7 | 1,850 | 99 | |
| V | 1.83 | 0.40 | 11.2 | 44,363 | 8,241 | 8.8 | 2,370 | 147 | |
| VI | 3.20 | 0.55 | 19.7 | 129,493 | 19,533 | 25.6 | 1,783 | 152 | |
| Total | 16.24 | 2.54 | 100.0 | 506,140 | 67,352 | 100.0 | - | - | |
| Ei | 1 | 4.37 | 0.56 | 14.5 | - | - | - | - | - |
| II | 3.56 | 0.25 | 11.8 | 138,243 | 16,063 | 12.9 | 2,637 | 171 | |
| III | 11.16 | 0.57 | 37.2 | 445,652 | 68,989 | 41.6 | 2,115 | 279 | |
| IV | 1.25 | 0.23 | 4.2 | - | - | - | - | - | |
| V | 3.92 | 0.50 | 13.0 | 159,237 | 20,188 | 14.9 | 2,492 | 238 | |
| VI | 5.82 | 0.99 | 19.3 | 328,132 | 46,213 | 30.6 | 1,755 | 160 | |
| Total | 30.08 | 1.99 | 100.0 | 1,071,264 | 40,889 | 100.0 | - | - | |
| Elr | 1 | 1.08 | 0.08 | 15.0 | - | - | - | - | - |
| II | 0.88 | 0.16 | 12.1 | 37,057 | 6,695 | 17.4 | 1.915 | 254 | |
| III | 2.42 | 0.17 | 33.4 | 81,430 | 8,653 | 38.2 | 1,906 | 316 | |
| V | 1.08 | 0.09 | 14.9 | 28,949 | 3,068 | 13.6 | 2,134 | 219 | |
| VI | 1.78 | 0.09 | 24.6 | 65,686 | 6,530 | 30.8 | 1,642 | 122 | |
| Total | 7.24 | 0.53 | 100.0 | 213,123 | 8,081 | 100.0 | - | - | |
| Elc | 1 | 1.25 | 0.23 | 18.0 | - | - | - | - | - |
| II | 0.89 | 0.07 | 13.0 | 38,090 | 593 | 17.4 | 2,280 | 283 | |
| III | 2.27 | 0.26 | 33.0 | 83,439 | 12,414 | 38.1 | 1,721 | 230 | |
| V | 0.96 | 0.14 | 13.9 | 34,604 | 3,957 | 15.8 | 2,089 | 181 | |
| VI | 1.52 | 0.19 | 22.0 | 62,761 | 7,761 | 28.7 | 1,518 | 87 | |
| Total | 6.89 | 0.70 | 100.0 | 218,894 | 22,439 | 100.0 | - | - | |
| Ec | 1 | 2.75 | 0.58 | 15.3 | - | - | - | - | - |
| II | 2.18 | 0.36 | 12.2 | 85,037 | 13,609 | 14.7 | 2,710 | 67 | |
| III | 6.61 | 1.44 | 36.7 | 220,281 | 29,678 | 38.0 | 1,945 | 218 | |
| V | 2.75 | 0.53 | 15.3 | 88,204 | 12,656 | 15.2 | 2,145 | 293 | |
| VI | 3.68 | 0.81 | 20.4 | 185,487 | 27,211 | 32.0 | 1,503 | 138 | |
| Total | 17.98 | 3.46 | 100.0 | 579,009 | 79,525 | 100.0 | - | - | |
| Eel | 1 | 3.13 | 0.28 | 18.6 | - | - | - | - | |
| II | 2.83 | 0.44 | 16.7 | 110,802 | 17,631 | 20.5 | 2,672 | 206 | |
| III | 6.19 | 1.03 | 36.6 | 211,414 | 26,276 | 39.1 | 2,150 | 139 | |
| V | 2.01 | 0.34 | 11.8 | 70,664 | 8,806 | 13.1 | 2,188 | 125 | |
| VI | 2.76 | 0.59 | 16.2 | 148,066 | 18,292 | 27.4 | 1,424 | 139 | |
| Total | 16.91 | 2.58 | 100.0 | 540,946 | 67,937 | 100.0 | - | - | |
| All subdivisions | |||||||||
| 1 | 14.94 | 1.81 | 14.0 | - | - | ||||
| II | 12.79 | 1.55 | 12.0 | 499,784 | 64,505 | 14.1 | |||
| III | 44.66 | 4.17 | 41.8 | 1,621,012 | 102,823 | 45.9 | |||
| IV | 1.25 | 0.23 | 1.2 | - | - | - | |||
| V | 14.51 | 1.43 | 13.6 | 491,990 | 45,907 | 13.9 | |||
| VI | 18.76 | 2.77 | 17.5 | 919,625 | 105,028 | 26.0 | |||
| Total | 106.92 | 10.77 | 100.0 | 3,532,411 | 252,997 | 100.0 | |||