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CELL TYPE LINEAGE LOCATION NEUROTRANSMITTER ASSOCIATED GLIA

AIML
AIMR

Interneurons AB plpaapppa
AB prpaapppa 		Ventral ganglion of head

Serotonin

(Sze J.Y.et al 2000)
(express VMaT, CAT-1. Duerr S. J. et al 1999)

 None
DESCRIPTION


Ring interneurons.

Functions: Unknown

Receptor expression: Unknown



IDENTIFICATION:

The three neurons, AIM, AIY and AVK resemble pearls-on-a-string, located posterior and slightly more superficial to the excretory cell nucleus on the right and left sides of the head.
The nucleus of the excretory cell is the biggest one on the ventral side, below the terminal bulb of the pharynx and looks like an egg with a sunny-side-up appearance. The three neuronal nuclei can easily be located immediately posterior to the excretory cell nucleus, the most anterior one being AIM, the middle, AIY, and the most posterior one, AVK. On the right side, sometimes RIS nucleus accompanies these three nuclei.
Cell and axon structures of AIY and AIM are very similar; care must be taken to differentiate between the two when identifying these two cells with fluorescent markers.