Fig. 1.6.16. Pre- and postsynaptic dense constituents of the synapse: pyramid-like presynaptic dense projections (arrows) cut transversally (A) and tangentially (B). S - dendritic spine. C - a spine (S) with a tangentially cut macular synapse (arrow) and two profiles of transversally cut perforated synapse (asterisks). Scale = 200 nm. (Rat, lateral geniculate nucleus and neocortex.) Download the high resolution image (a); Download the high resolution image (b); Download the high resolution image (c).