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. Author manuscript; available in PMC: 2008 Jun 27.
Published in final edited form as: Neuroscience. 2007 Jul 17;152(4):970–981. doi: 10.1016/j.neuroscience.2007.07.014

Table 3.

Synapses in layer 5

Animal AM no. Age (y) Sex Asymmetric
Symmetric
Total Nv 106/mm3
Mean length of junctions (µm) Nv×106/mm3 S.D. Mean length of junctions (µm) Nv×106/mm3 S.D.
  16 5 M 0.36 350 35 0.27 48 10 398
  76 6 F 0.34 407 96 0.26 69 19 475
 129 7 F 0.35 410 63 0.31 58 14 468
  47 9 M 0.35 290 76 0.28 50 19 340
  53 10 M 0.34 427 43 0.31 61 12 489
Means 0.35 377 63 0.29 57 15 434
  42 12 M 0.38 330 108 0.28 56 21 386
  144 15 M 0.33 329 81 0.30 47 13 376
  143 16 M 0.37 372 70 0.31 49 11 421
  221 18 F 0.38 378 53 0.28 62 21 440
  209 19 M 0.35 395 53 0.28 58 21 453
  133 19 M 0.31 341 80 0.27 52 20 393
Means 0.35 358 74 0.29 54 18 412
  178 22 F
  19 25 F 0.40 262 34 0.33 49 14 311
  12 27 F 0.37 328 57 0.30 56 21 384
  62 27 M 0.37 315 53 0.29 48 15 363
  26 29 F 0.38 294 51 0.30 60 17 353
  41 32 F 0.34 302 53 0.27 48 10 350
Means 0.37 300 50 0.30 52 15 352