“…are of significance. Both manual measurements and computer-assisted approaches have been used for the mathematical treatment of the images obtained with the aid of various types of microscopy (optical [ 170 , 171 , 172 , 206 , 225 , 230 , 231 , 232 , 233 , 234 , 237 , 238 , 240 , 241 , 243 , 244 , 245 , 246 , 250 , 251 , 252 , 256 , 257 , 258 , 259 , 261 , 262 , 263 , 264 , 265 , 267 , 268 , 269 , 270 , 272 , 380 , 383 , 384 , 390 , 393 ], laser confocal [ 369 , 370 , 371 , 372 , 392 ], and SEM [ 173 , 174 , 177 , 179 , 181 , 182 , 184 , 196 , …”