Sclerotin

Sclerotin

Sclerotin is a mixture of protein substances that forms the cuticles of insects. It provides physical toughness to the insect's chitinous exoskeleton. [cite book
first=Alexander B. | last=Klots | coauthors=Klots Elise B.
year=1977 | title=1001 Questions Answered About Insects
publisher=Courier Dover Publications
pages=p. 29 | id=ISBN 0486234703
] As it forms, sclerotin becomes a hard, horn-like substance with a range of yellow-brown colors. In combination with keratin, this substance allowed insects to evolve for existence on the land and to develop wings. [cite book
first=Vincent Brian | last=Wigglesworth
year=1984 | title=Insect Physiology
publisher=Springer | id=ISBN 0412264609
]

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  • sclerotin — /sklear euh tin, skler /, n. Biochem. an insoluble protein that serves to stiffen the chitin of the cuticle of arthropods. [1935 40; < Gk sklerót(es) hardness + IN2] * * * ▪ biological pigment       a dark brown biological pigment formed by an… …   Universalium

  • sclerotin — noun Etymology: probably scler + tin (as in chitin) Date: 1940 an insoluble tanned protein permeating and stiffening the chitin of the cuticle of arthropods …   New Collegiate Dictionary

  • sclerotin — n. [Gr. skleros, hard] (ARTHROPODA) A colorless or quinone tanned amber or brown material occurring in the cuticle that accounts for much of the stiffening of the surface structures; sclerotic adj …   Dictionary of invertebrate zoology

  • sclerotin — noun the crosslinked protein component of the cuticles of insects …   Wiktionary

  • sclerotin — [ sklɪərətɪn, sklɛ ] noun Biochemistry a structural protein which forms the cuticles of insects and is hardened and darkened by a natural tanning process. Origin 1940s: from sclero , on the pattern of keratin …   English new terms dictionary

  • sclerotin — scle·ro·tin …   English syllables

  • sclerotin — scle•ro•tin [[t]ˈsklɪər ə tɪn, ˈsklɛr [/t]] n. biochem. an insoluble protein that serves to stiffen the chitin of the cuticle of arthropods • Etymology: 1940; sclero + tin, extracted from chitin, keratin, etc …   From formal English to slang

  • sclerotin — ˈsklirətə̇n, ler noun ( s) Etymology: International Scientific Vocabulary sclerot (from Greek sklērotēs hardness) + in : an insoluble tanned protein permeating and stiffening the chitin of the cuticle of arthropods …   Useful english dictionary

  • integument — /in teg yeuh meuhnt/, n. 1. a natural covering, as a skin, shell, or rind. 2. any covering, coating, enclosure, etc. [1605 15; < L integumentum a covering. See IN 2, TEGUMENT] Syn. 1. cortex, involucre, involucrum. * * * Covering of the body,… …   Universalium

  • flatworm — /flat werrm /, n. any worm of the phylum Platyhelminthes, having bilateral symmetry and a soft, solid, usually flattened body, including the planarians, tapeworms, and trematodes; platyhelminth. [1895 1900; FLAT1 + WORM] * * * or platyhelminth… …   Universalium

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