Anisotropic

... with diameters of 1µm and more and variable interpillar distances were microfabricated on silicon or polymer substrates by photolithography and anisotropic reactive ion etching. By in vitro polymerisation of actin oligomers, grafted onto the surface of the pillar substrates, actin filaments ...

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... rates. This characteristic of silicon is used to etch holes into the substrate that follow specific crystal planes. This technique, known as anisotropic wet etching, can be used to make many features important to the bulk micromachining industry. Surface micromachining is a technique that ...

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... in the microscope (just like pyknosis) --> think also of A-bands in de skeletal muscle, the dark region of sarcomeres. The A stands also for anisotropic.

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