| 词汇 | sterna |
| 释义 | sterna plural ofsternumspecialized Examples of sternasterna Abdominal sterna with paired median plates and a parasternal plate, all with stiff setae of varying size. Extraction of the spermatheca from the terminal segments of the abdomen is best accomplished by peeling the terga away from the sterna of the terminal segments. Thoracic sterna smooth except for a narrow mat zone on the posterior two. The sternum (pl. sterna) is the ventral portion of a segment of an arthropod thorax or abdomen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Variation of this ground plan includes the fusion of terga or terga and sterna to form continuous dorsal or ventral shields or a conical tube. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the monotrysian type there is an opening on the fused segments of the sterna 9 and 10, which act as insemination and oviposition. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The males would press their gastral sterna against a perch and rub their mandibular against it. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In insects, the sterna are usually single, large sclerites, and external. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The ridge is elongated and ends on anterior sterna, which have a rounded tubercle. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the "monotrysian" type there is an opening on the fused segments of the sterna 9 and 10, which act as insemination and oviposition. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Terga are separated from each other and from the adjacent sterna or pleura by a membrane. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The sterna are brownish black. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its abdomen is shiny except sparsely pollinose on the 1st segment and sterna; dorsum black pilose; the venter is white pilose except black on the 5th sternum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They do not have keeled sterna. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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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