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A classic circular form spider's web Infographic illustrating the process of constructing an orb web. A spider web, spiderweb, spider's web, or cobweb (from the archaic word coppe, meaning 'spider') [1] is a structure created by a spider out of proteinaceous spider silk extruded from its spinnerets, generally meant to catch its prey.
Construction of a cobweb plot of the logistic map = (), showing an attracting fixed point. An animated cobweb diagram of the logistic map = (), showing chaotic behaviour for most values of >.
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Spider web sheet suitable for making a cobweb canvas. The cobwebs obtained for the early Austrian example came from Agelenidae funnel-web spiders, whose gossamer sheets were collected in the form of a thin canvas, then put under tension to make an oval blank.
Hutchinson's mask is a patient's sensation that the face is covered with a mask or a gauzy network like cobwebs. This medical sign is associated with tabes dorsalis [ 1 ] affecting the trigeminal nerve (fifth cranial nerve CN V ).
Cobweb art is a form of art which creates different pictures from cobwebs. The main material used is cobweb, which the artist collects and processes. [citation needed] Andranik Avetisyan (Ado) [1] has not created canvas from cobweb, [2] but is the first artist to create pictures from cobweb. [3] Avetisyan's works [4] are made of real cobweb. [5]
The cobweb model or cobweb theory is an economic model that explains why prices may be subjected to periodic fluctuations in certain types of markets.It describes cyclical supply and demand in a market where the amount produced must be chosen before prices are observed.
Grey or white hair is not caused by a true grey or white pigment, but is due to a lack of pigmentation and melanin. The clear hairs appear as grey or white because of the way light is reflected from the hairs. The change in hair colour occurs when melanin ceases to be produced in the hair root and new hairs grow in without pigment.