PDA
Neuron class of one motor neuron, process in dorsal cord, same as Y cell in hermaphrodite, Y.a in male.
rectal epithelial cell
These cells include: B, F, Y, U, K' and K. All rectal epithelial cells contain secretory membrane stacks along this region facing the lumenal cuticle and produce some portion of the cuticular lining of the rectum. These are interfacial cells that connect the alimentary system to the main body syncytium.