Mechanosensory PVD neuronal dendrites in the nematode C. elegans . Examples of (a,b) original MIP and (c,d) manually-delineated mechanosensory PVD neuronal dendrites in the nematode C. elegans, including annotated branching generations. MIP of (a) wild-type dendritic PVD tree and (b) disorganized PVD arborization with mutations in cell fusion gene eff-1, where nematodes show reduced sensitivity to strong mechanical stimuli . Wild-type dendritic PVD trees show repetitive structural units known as “menorah” . “c” denotes cell body (soma) and small droplets are autofluorescent gut granules. Note that additionally an axon goes out from the cell soma which is not visualized here.