| 单词 | rosette plate |
| 释义 | > as lemmasrosette plate rosette plate n. Zoology and Palaeontology any of various small rosette-like structures in invertebrates; esp. (a) (in bryozoans) a multiporous area in the wall between two zooids, allowing the passage of fluids or mesenchymatous fibres; (b) (in giant arthropods of the Cambrian order Arthropleurida) a multilobed tergite at the base of each leg. ΚΠ 1876 A. Macalister Introd. Animal Morphol. & Systematic Zool.: Invertebrata xxii. 151 The pedicelli [of holothurians] have rudimental rosette plates. 1889 H. A. Nicholson & R. Lydekker Man. Palæontol. (ed. 3) I. 607 Contiguous cells are commonly placed in direct connection with one another by what have been called ‘communication-plates’ or ‘rosette-plates’. 1957 Biol. Bull. 112 122 The side walls..have two widely spaced, multiporous, blister-like interzooecial communication areas. These areas are variously known in bryozoan literature as rosette plates, septula, pore chambers, corresponding openings. 1998 W. A. Shear in R. A. Fortey & R. H. Thomas Arthropod Relationships xvi. 216/1 At the base of each leg [of Arthropleura] were three complex plates, designated K, B, and rosette plates... The rosette plate was divided into five or six lobes. < as lemmas |
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