How does bumpy skin hide a cephalopod? The business of papillae. Papillae are sections of the skin that can be deformed in order to change texture, and may work by a hydrostatic mechanism (Allen ...

simulating papillae, on which they deposit wax tubules self-assembled from the extracts of real plant coatings (from nasturtium and sand ryegrass) 9. The surfaces have contact angles of about 170 ...