The Mind of 
	a Worm

Members: ADAL, ADAR.

ADA is a set of two interneurons with cell bodies situated laterally at the level of the second bulb of the pharynx. Processes enter the neuropile of the retro-vesicular ganglion via the deirid commissures and run anteriorly into the nerve ring. They then run round the nerve ring and end in a gap junction to their contralateral partners (b). The processes of ADA are rather small and run near the centre of the neuropile of the ring, adjacent to the processes of AVA, much of the time. Synaptic endings are generally small and have large dark vesicles (a). The main synaptic output is to AVB (a, c), with a few synapses also being made to AVJ (c), RIM, SMD and RIP (a). There are gap junctions to itself (b), AVD (d), PVQ, ASH and ADF. Magnifications: (a-d) x 25500.

Web adaptation, Thomas Boulin, for Wormatlas, 2001, 2002