单词 | tropocollagen |
释义 | > as lemmastropocollagen tropocollagen n. Brit. /ˌtrɒpə(ʊ)ˈkɒlədʒən/ , /ˌtrəʊpə(ʊ)ˈkɒlədʒən/ , U.S. /ˌtrɑpoʊˈkɑlədʒən/ , /ˌtroʊpoʊˈkɑlədʒən/ Biochemistry a long superhelical molecule consisting of three polypeptide chains which associates with other such molecules to form collagen fibrils.ΚΠ 1954 J. Gross et al. in Proc. National Acad. Sci. U.S.A. 40 679 We adopted the term ‘tropocollagen’ to denote the thin, long particles. 1971 Nature 16 Apr. 437/1 It is usually accepted that collagen is composed of tropocollagen molecules 2900 Å long, 15 Å wide. 2003 A. van Lommel From Cells to Organs iii. 76/1 Tropocollagen rods act like building blocks and spontaneously assemble into fibrils. < as lemmas |
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