Transmitter is released from the bases of axonless receptor cells

• Transmitter is released from the bases of axonless receptor cells

• Glutamate thought to be the transmitter
• Accessory synaptic body
• Located over the active zone as a bar or ball
• Attracts synaptic vesicles to the active zone
• NMDA receptors are found in mbr of afferent terminals coming from axons of spiral ganglion cells.