Macula: a collection of nerves at the back of the eye, allowing it to focus on small details.

The Macula Conception

Plectrum: a small thin piece of material (plastic, metal, bone, etc.) used to pluck the strings of a musical instrument, especially a guitar or a lute.

Plectere: to twine or braid

Plicate: to fold, especially parallel folds (as in a fan)


Ruffle: to gather into pleats and puckers

Rugae: folds, creases, or wrinkles, as in the surface of the brain; greatly multiples the volume possible in a solid.

 Matrix Composites


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