During the embryonic stage of brain development, some neurons and synapses form properly and connect, but others don’t, causing some parts and pieces to be discarded. This leaves behind dead or dying cells and requires the central nervous system to employ a type of cleanup crew.
Lymphatics help ‘seed’ early brain cells in zebrafish
During the embryonic stage of brain development, some neurons and synapses form properly and connect, but others don't, causing some parts and pieces to be discarded. This leaves behind dead or dying cells and requires the central nervous system to employ a type of cleanup crew.