英和和英

出典:『Wikipedia』 (2010/12/28 03:39 UTC 版)

英語による解説

引用

Perineuronal nets (PNNs) are specialized extracellular matrix structures responsible for synaptic stabilization in the adult brain. These PNNs are found around certain neuron cell bodies and proximal neurites in the central nervous system. PNNs play a critical role in the closure of critical periods and their digestion allows the reopening of these critical periods in the adult brain. They are largely negatively charged and composed of chondroitin sulfate proteoglycans, molecules that play a key role in development and plasticity during postnatal development and in the adult.