DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Scanning electron micrograph (SEM) of Woven silk fibres (Japanese kimono). The protein fibre of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm (Bombyx mori) reared in captivity (sericulture). Silk is produced by several insects, but generally only the silk of moth caterpillars has been used for textile manufacturing. Magnification: x36 when shortest axis printed at 25 millimetres.
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