TABLE 2.
Volume, Cell Numbers, and Neuronal Soma Size in the Main Nuclei of the Monkey Amygdala at Different Ages During Early Postnatal Development
| Lateral | Basal | Accessory basal | Paralaminar | Central | Medial | |
|---|---|---|---|---|---|---|
| Nuclei volume (mm3) | ||||||
| Newborn | 25.32 ± 2.62 | 25.79 ± 2.82 | 13.98 ± 2.29 | 2.64 ± 1.19 | 4.04 ± 0.64 | 4.61 ± 0.72 |
| 3-month | 34.86 ± 4.72 | 34.08 ± 8.37 | 19.11 ± 3.47 | 3.27 ± 1.54 | 4.08 ± 0.39 | 4.59 ± 0.55 |
| 6-month | 34.26 ± 2.75 | 37.62 ± 5.08 | 19.55 ± 1.81 | 4.38 ± 0.90 | 4.35 ± 0.64 | 4.53 ± 0.40 |
| 9-month | 32.10 ± 2.39 | 35.63 ± 5.80 | 20.36 ± 2.89 | 4.64 ± 1.02 | 4.73 ± 0.24 | 4.72 ± 0.50 |
| 1-year | 34.73 ± 6.08 | 38.36 ± 3.85 | 21.48 ± 1.72 | 4.85 ± 0.72 | 4.65 ± 0.90 | 5.09 ± 0.44 |
| 5–9-year | 38.40 ± 3.57 | 47.15 ± 2.67 | 24.38 ± 2.14 | 8.84 ± 0.90 | 8.15 ± 1.44 | 5.42 ± 0.50 |
| Neuron number | ||||||
| Newborn | 1,770,271 ± 163,872 | 1,232,759 ± 220,811 | 951,634 ± 196,808 | 75,024 ± 15,929 | 312,095 ± 22,590 | 343,439 ± 32,907 |
| 3-month | 1,925,343 ± 123,564 | 1,328,170 ± 112,143 | 959,225 ± 56,020 | 61,922 ± 11,089 | 274,211 ± 23,266 | 322,184 ± 42,384 |
| 6-month | 1,865,763 ± 341,660 | 1,296,522 ± 110,063 | 939,943 ± 64,479 | 55,446 ± 32,295 | 280,798 ± 27,801 | 348,810 ± 48,376 |
| 9-month | 1,550,860 ± 113,446 | 1,227,670 ± 159,012 | 969,833 ± 62,240 | 53,343 ± 36,445 | 269,968 ± 29,756 | 320,119 ± 63,193 |
| 1-year | 1,598,605 ± 284,359 | 1,347,395 ± 129,287 | 881,131 ± 71,369 | 60,640 ± 5,811 | 300,997 ± 69,074 | 316,043 ± 9,063 |
| 5–9-year | 1,592,284 ± 128,381 | 1,445,882 ± 138,651 | 885,352 ± 101,469 | 408,051 ± 49,453 | 297,079 ± 30,889 | 282,622 ± 25,053 |
| Astrocyte number | ||||||
| Newborn | 1,075,160 ± 199,787 | 1,147,166 ± 88,636 | 811,074 ± 113,488 | 83,872 ± 27,587 | 294,217 ± 29,384 | 284,953 ± 28,999 |
| 3-month | 1,348,781 ± 177,464 | 1,280,084 ± 205,464 | 825,492 ± 58,221 | 147,255 ± 35,000 | 253,739 ± 31,139 | 272,562 ± 44,068 |
| 6-month | 1,150,751 ± 154,674 | 1,202,133 ± 242,384 | 720,950 ± 60,125 | 142,127 ± 26,101 | 265,206 ± 41,489 | 246,904 ± 35,274 |
| 9-month | 1,029,207 ± 15,720 | 1,187,168 ± 195,565 | 779,742 ± 85,046 | 116,953 ± 41,715 | 280,819 ± 50,842 | 249,895 ± 77,082 |
| 1-year | 1,049,401 ± 198,033 | 1,328,610 ± 210,249 | 804,816 ± 12,100 | 150,934 ± 26,169 | 295,778 ± 50,687 | 291,903 ± 45,238 |
| 5–9-year | 1,044,198 ± 64,819 | 1,237,921 ± 86,478 | 701,739 ± 23,552 | 191,762 ± 28,505 | 276,106 ± 15,546 | 235,419 ± 17,978 |
| Oligodendrocyte number | ||||||
| Newborn | 65,897 ± 116,192 | 18,973 ± 37,946 | 1,668 ± 2,013 | 602 ± 1,205 | 815 ± 941 | 0 ± 0 |
| 3-month | 88,714 ± 34,991 | 94,902 ± 45,779 | 29,149 ± 19,368 | 11,492 ± 5,919 | 31,473 ± 7,393 | 13,323 ± 13,275 |
| 6-month | 208,438 ± 128,030 | 228,086 ± 68,389 | 72,778 ± 37,834 | 7,644 ± 6,015 | 64,864 ± 14,405 | 32,680 ± 16,572 |
| 9-month | 237,718 ± 129,714 | 267,359 ± 104,294 | 103,735 ± 50,864 | 13,359 ± 9,665 | 84,303 ± 28,442 | 41,880 ± 22,442 |
| 1-year | 355,195 ± 114,080 | 384,490 ± 107,272 | 153,342 ± 51,464 | 17,538 ± 10,532 | 100,881 ± 35,533 | 45,027 ± 24,144 |
| 5–9-year | 1,112,480 ± 131,622 | 1,247,140 ± 139,668 | 572,196 ± 82,235 | 96,422 ± 23,397 | 210,656 ± 28,544 | 102,661 ± 13,889 |
| Neuronal soma volume average (µm3) | ||||||
| Newborn | 1,536 ± 95 | 2,419 ± 226 | 1,646 ± 131 | 740 ± 124 | 1,265 ± 110 | 1,089 ± 152 |
| 3-month | 1,675 ± 375 | 2,492 ± 513 | 1,691 ± 376 | 1,005 ± 219 | 1,233 ± 247 | 1,015 ± 80 |
| 6-month | 1,694 ± 177 | 2,555 ± 354 | 1,826 ± 124 | 1,524 ± 263 | 1,328 ± 122 | 1,067 ± 101 |
| 9-month | 1,679 ± 205 | 2,567 ± 333 | 1,822 ± 189 | 1,058 ± 418 | 1,483 ± 200 | 1,191 ± 195 |
| 1-year | 1,533 ± 112 | 2,268 ± 209 | 1,707 ± 97 | 1,385 ± 489 | 1,194 ± 117 | 1,129 ± 61 |
| 5–9-year | 1,433 ± 158 | 2,073 ± 99 | 1,804 ± 92 | 1,470 ± 87 | 1,374 ± 69 | 1,176 ± 27 |
| % of nucleus volume occupied by neuronal somas | ||||||
| Newborn | 10.77 ± 0.93 | 11.49 ± 1.24 | 11.25 ± 1.86 | 3.08 ± 2.85 | 9.85 ± 1.01 | 8.21 ± 1.53 |
| 3-month | 9.18 ± 1.14 | 9.74 ± 0.35 | 8.44 ± 0.52 | 2.49 ± 1.63 | 8.31 ± 1.70 | 7.27 ± 1.78 |
| 6-month | 9.19 ± 1.51 | 8.83 ± 1.05 | 8.85 ± 1.25 | 2.01 ± 1.18 | 8.70 ± 1.62 | 8.38 ± 2.15 |
| 9-month | 8.11 ± 0.97 | 8.86 ± 0.91 | 8.71 ± 0.50 | 1.22 ± 0.99 | 8.52 ± 1.73 | 7.92 ± 0.72 |
| 1-year | 7.05 ± 0.40 | 7.96 ± 0.63 | 7.01 ± 0.52 | 1.72 ± 0.57 | 7.67 ± 0.60 | 7.04 ± 0.65 |
| 5–9-year | 5.96 ± 0.79 | 6.34 ± 0.32 | 6.54 ± 0.41 | 6.80 ± 0.70 | 5.06 ± 0.40 | 6.16 ± 0.63 |
| Amygdala | Brain1 | Paralaminar | ||||
| Volume (mm3) | Immature neuron number | |||||
| Newborn | 116.34 ± 15.24 | 44,655 ± 4,338 | Newborn | 1,038,954 ± 247,977 | ||
| 3-month | 158.10 ± 25.97 | 55,767 ± 3,585 | 3-month | 1,046,627 ± 290,699 | ||
| 6-month | 156.12 ± 12.00 | 56,857 ± 5,511 | 6-month | 1,069,391 ± 188,256 | ||
| 9-month | 159.84 ± 16.67 | 53,475 ± 5,541 | 9-month | 956,429 ± 208,996 | ||
| 1-year | 166.26 ± 10.11 | 56,188 ± 5,910 | 1-year | 893,367 ± 71,509 | ||
| 5–9-year | 193.86 ± 12.86 | 52,360 ± 4,875 | 5–9-year | 544,588 ± 78,783 | ||
1
Refers to the volume of the telencephalon and diencephalon bilaterally.