Technique of The Week - Nissl Stain

Cell body

The nissl stain allows us to see the ___ ____ of a neuron

6

The nissl stain is organized into _ layers of different thickness and size of cell body

2mm

How thick is the cerebral cortex?

Endoplasmic reticulum (RNA)

Nissl used basic dyes to stain the _______ ______ (___) revealing the cell bodies

motor cortex and visual cortex

The neocortex has 6 layers and there are two types the ___cortex and _____ cortex

4

The paleocortex (pyriform cortex) has _ layers

3

The archiocortex (hippocampus) has _ layers

fewer

Evolutionarily older cortex have ____ layers

primary somatosensory

Broadmann’s areas 3,2, and 1 are the _______ ________ cortex

primary auditory

Broadmann’s areas 41 and 42 are the _____ _____ cortex

primary motor

Broadmann’s area 4 is the ____ ___ cortex

primary visual

Broadmann’s area 17 is the _____ _____ cortex

Korbinian Broadmann

Who found that different areas of the cerebral cortex had distinct cytoarchitectonic appearances

Franz Nissl

Who used basic dyes to stain the ER to reveal cell bodies?