MalePCSFIG 4A&B: PCS neurons.

MalePCSFIG 4A&B: PCS neurons.

A. Diagram of adult tail featuring locations of the PCS neurons, lateral view. (PAG) Pre-anal ganglion; (PCS) post-cloacal sensillum.
B.
TEM of synapse between PCS neurons and muscles from region highlighted in A, transverse views. (Image source: N2Y[MRC] 1257L.)