Download e-book for kindle: Attachment Structures and Adhesive Secretions in Arachnids by Jonas O. Wolff, Stanislav N. Gorb

By Jonas O. Wolff, Stanislav N. Gorb

This publication surveys attachment constructions and adhesive secretions happening during this classification of animals and discusses the relationships among constitution, houses, and serve as within the context of evolutionary tendencies, and biomimetic strength. issues contain mechanical attachment units, similar to clamps, claws, hooks, spines and wraps, in addition to bushy and soft adhesive pads, nano-fibrils, suction cups, and viscid and solidifying adhesives. Attachment is likely one of the significant kinds of interactions among an organism and its surroundings. there are many stories that care for this phenomenon in lizards, frogs, bugs, barnacles, mussels and echinoderms, however the moment greatest category of animals, the Arachnida, was once hugely ignored to this point. The authors proven that almost all arachnid adhesive constructions are hugely analogous to these of bugs and vertebrates, yet there also are quite a few distinct advancements with a few fascinating operating rules. simply because arachnid attachment organs have a really robust strength of technological rules for the improvement of recent fabrics and platforms, inspirations from biology may be attention-grabbing for a wide diversity of issues in fabrics and floor engineering.

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Extra info for Attachment Structures and Adhesive Secretions in Arachnids

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Wrapping around the substrate is an effective means of attachment, as it can highly enhance the action of friction. This mechanism is frequently used by long-legged harvestmen, when walking on thin cylindrical surfaces like grass or herb stems. It is further utilized by some spiders which tightly wrap their prey in silk. Most attachment structures use the principle of mechanical interlocking with substrate structures. This principle is associated with low costs as no material discharge is necessary (as in the case with adhesive secretions) and the structures are relatively simple.

Museu Nacional/UFRJ website. html. Accessed 27 Feb 2016 Lekveishvili M, Klompen H (2004) Phylogeny of infraorder Sejina (Acari: Mesostigmata). Zootaxa 629:1–19 Maggenti MA, Maggenti AR, Gardner SL (2005) Online dictionary of invertebrate zoology: complete work. Armand R Maggenti Online Dictionary of Invertebrate Zoology Paper 2. 0 μm thick epoxy sections. J Microsc 112(2):253–255 Nachtigall W (1974) Biological mechanisms of attachment: the comparative morphology and bioengineering of organs for linkage, suction, and adhesion.

Huber, with kind permission; (b) Charinus cubensis). (c, d) The raptorial pedipalps, typical for harvestmen of the sub-order Laniatores, are not orientated towards each other, but flex parallel to the body axis; various shapes have evolved from stout and massive, like in Holoscotolemon naturae ((c) Cladonychiidae), or long and slender, like in Galibrotus cf. riedeli ((d) Biantidae). (e) In the mite Caeculus sp. (Trombidiformes: Caeculidae), the front legs are equipped with strong spines assisting prey capture 44 2 Mechanical Attachment Devices male whip-spiders, the raptorial pedipalps also play an important role in ritualized fighting.

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