PhaFIG 12: Structure of the pharyngeal valve.
Shown is stacking of the six vpi cells from the anterior end (top left) toward the posterior. Three-dimensional rendition of the cells based on tracings from serial TEMs (Image source: B. Henick and A Hartley, based on MRC series.) Each cell is given a unique color. Colors do not follow the WormAtlas color code.
Click on picture for full resolution image.