Fig. 8From: The cellular basis of bioadhesion of the freshwater polyp Hydra Schematic representation of attachment (a-c) and detachment (d) of Hydra. Arrowheads indicate rims of footprints. Abbreviations: m, mesoglea; n, nucleus; my, myoneme; w, vacuoles of water; I-IV, Hydra secretory granule types; i, interface; s, substratum; f, cytoplasmic extensions; sm, secreted material; fo, footprintBack to article page