Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. Naim 23:46 Fundamental of the Nervous System and Nervous Tissue Neuroglia that control the chemical environment around neurons by buffering potassium and recapturing neurotransmitters are ________. A) astrocytes B) oligodendrocytes C) microglia D) Schwann cells Answer: A) astrocytes Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+