Ever wonder where retinal ganglion axons end up?


#1

Josh Morgan's lab has some nice images of the LGN, the intermediary part of the brain that conducts signals from the optic nerve to visual cortex. The LGN is part of the Thalamus, a part of the brain involved in sensory and motor signal relay and the regulation of consciousness and sleep. Of course the axons of retinal ganglion cells become the optic nerve, so these images show the endpoints of those cells that aren't shown in e2198.

LGN stands for "lateral geniculate nucleus"
Lateral meaning side, because there are 2 LGNs in the brain and each one serves only one eye
geniculate meaning to bend abruptly, as the knee, for the LGN is bent like a taco
nucleus a hub, in neuroanatomy, generally referring to specified sub-regions of the brain

https://sites.wustl.edu/morganlab/gallery/


#2

way cool! :smiley: