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Occultation
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Engine torque
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Curietherapy
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Scoliosis
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Factor IX
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Reproductive success
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Earth Summit
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Antisecretory H2 antagonist
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Asymmetric keys
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Hydromorphy
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M 66
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Introduced species
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Cardiac arrest
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Homotopy
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Subsidence
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Arena
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Jason
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OPEC
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Slurry
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Magnaporthe grisea
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Necrosis
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Homeplug
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Segregation deposit
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Celestial body
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Joint venture
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Radish
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Hashimoto's thyroiditis
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Exocytosis
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POP
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Falcon 1
Sclerotin
Sclerotin is produced by insects by adding a large quantity of protein to chitin. This protein is tanned by the insect. The equivalent of sclerotin in vertebrates is keratin (Wigglesworth, 1971).
The mandibles of caterpillars, which are used to gnaw on wood, are made of sclerotin. © Bernard Schmeltz
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