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The spherical end-knobs of the tentacles of capitate hydropolyps are an evolutionarily early paradigm of a chemo- and mechanosensory epithelium composed of four types of sensory cells and one type of chemo-mechanosensitive nematocytes (stinging cells), all separated by supporting cells. The epithelium discriminates sites and compositions of stimuli and(More)
In capitate hydropolyps, the spherical end-knobs of the short tentacles present an exceptional concentration of sensory functions in one of the evolutionarily oldest nervous systems. The tentacular spheres are the basis of sensation and discrimination of objects and of capturing of prey-objects by the discharge of nematocytes (stinging cells). Recent(More)
We derive and discuss formulas for the density and the hazard rate of the empty space function of a germ-grain model in R d generated by a stationary point process and i.i.d. convex primary grains n , n 2 N, that are independent of. Our formulas are based on the Palm probability of the germ process and the mean generalized curvature measure of the grain.(More)
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