| 词汇 | sessile |
| 释义 | sessile adjective biology specializeduk /ˈses.aɪl/ us /ˈses.əl/ used to refer to a leaf or flower that has no stem of its own but is attached directly to the main stem of the plant, or to refer to a plant or tree that has such leaves or flowers: （花，叶等）无蒂的;无柄的 The spike bears clusters of sessile flowers. The sessile oak is so called because its acorns are carried directly on the outer twigs. used to refer to organisms that are permanently attached to one place and cannot move around: （动物）固着的 Sea otters feed mainly on sessile or very slow-moving invertebrates. sessile sponges固着海绵动物 Compare sedentaryspecialized Sessile leaves attach directly to the stem. The leaves had distinct short stalks, a clue that it was a sessile oak. Most sessile invertebrates will soon start to colonize the aquarium under the right conditions. Because walruses feed on sessile bottom molluscs, they do not require the acute vision of other pinnipeds for capturing moving prey. Parts of plants axil bark bilobed blade bulb caning cascara sagrada corolla endodermis inflorescence knot pistil rooty rosella seed coat seed pod shaw sting taproot tubule You can also find related words, phrases, and synonyms in the topics: Immobility sessile | American Dictionarysessile adjective[ not gradable ] us/ˈses·ɑɪl, -əl/ biology describes a leaf or flower that has no stem of its own but is attached directly to the main stem of the plant biology Sessile also describes animals that are permanently attached to one spot and cannot move around: sessile sponges Examples of sessilesessile Effects of omnivorous shrimp in a montane tropical stream: sediment removal, disturbance of sessile invertebrates and enhancement of understory algal biomass. Head with two distinctly large amphids protruding anteriorly and four pairs of sessile papillae situated at the four right angles of a square around the stoma. In that area, the hedgerow oaks tend to be hybrids of pendulate and sessile oaks. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The areas of upland sessile oakwoods planted each year are not recorded separately and the information requested is therefore not available. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 They are particularly useful since they are sessile so that they are representative of the environment where they are sampled or placed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Flowers are sessile or pedicellate, nearly erect, slender, with a fragrant sweet fruity odor. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The upper ones are sessile, and frequently become crimson. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Juvenile leaves are opposite, sessile (lacking a petiole), round, blue-green and permanently glaucous, but they do possess a small crimson tip. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The leaves are sessile, but have a narrow part near the stem which is a pseudo-petiole. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The fruiting bodies form dense groups which are mainly sessile or, rarely, borne on a stipe. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Their sessile fruit, usually in pairs, grow from the segment joints. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Leaves are mostly alternate, sessile or petiole-like attenuate, laminate, scleromorphic. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The leaves are sessile and sub-sessile, opposite, ovate, cordate at the base. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The entire inflorescence is bractless, although a small sessile leaf may occur near the base of it. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Leaves on the climbing stem are coriaceous, scattered, and sessile. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of sessile These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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