NS71: The Cortex

What are the two kinds of cortex?

AllocortexNeocortex (also called Isocortex)

What are the two divisions of the allocortex?

Paleocortex: olfactory tubule, piriform complexArchicortex: hippocampus, amygdala

What are the three layers of the hippocampus?

dendritespyramidal cell somasaxons

How many layers of the neocortex are there?

six layers

What is Layer 1 of the neocortex called and what comprises it?

Molecular LayerAxons and Dendrites

What is Layer 2 of the neocortex called and what types of cells exist there?

External granule layersmall round cells

What is Layer III of the Neocortex called and what type of cells does it contain?

External Pyramidal Layersmall pyramidal cells

What is Layer IV of the Neocortex called and what does it do?

Internal Granule Cellssmall round cells that do lots of interconnecting

What does Layer is layer V of the neocortex called and what type of cells are in it?

Internal Pyramidal LayerLarge Pyramidal Cells