Fig. 7.1.31. Graphic reconstruction (i.e. manually shaded serial contour tracings) of dendritic spine (S) with free postsynaptic density associated with plasma membrane of neuronal perikaryon (arrow). GER - cistern of granular endoplasmic reticulum, asterisk - subplasmalemmal cistern. (Rat, neocortex.)
(For detailed information on the process of graphic reconstruction, see Three Dimensional Reconstruction in Biology by W.A. Gaunt and P.N. Gaunt.) Download the high resolution image.