• Video 1 Movie of an astrocyte loaded with Fluo-4AM and imaged for 5 min.
• Video 2 Movie of an astrocyte expressing Lck-GCaMP3 and imaged for 5 min.
• Video 3 Movie of an astrocyte expressing cyto-GCaMP3 and imaged for 5 min.
• Video 4 Movie of a Golgi-impregnated astrocyte imaged by serial block-face SEM.