Scutellum (insect anatomy) - Wikipedia
网页The scutellum is the posterior portion of either the mesonotum or the metanotum of an insect thorax; however, it is used almost exclusively in the former context, as the metanotum is rather reduced in most insect groups. In the Hemiptera, and some Coleoptera, the scutellum is a small triangular plate behind the pronotum and between the forewing ...
Scutellum (botany) - Wikipedia
网页Scutellum (botany) The Scutellum is part of the structure of a barley and rice [1] seed—the modified seed leaf. The scutellum (from the Latin scutella meaning "small shield") can also refer to the equivalence of a thin cotyledon in monocots (especially members of the …
Scutellum - Wikipedia
网页Scutellum may refer to: Scutellum (insect anatomy), a term used in the anatomy of arthropods. Scutellum (botany), a term used in the morphology of grasses. Scutellum (trilobite), a genus of trilobites.
Scutellum Definition & Meaning - Merriam-Webster
网页The meaning of SCUTELLUM is a hard plate or scale (as on the thorax of an insect or the tarsus of a bird).
Scutellum | plant anatomy | Britannica
网页…any other flowering plants—namely, the scutellum, an organ concerned with the nutrition of the seedling, and the coleoptile and coleorhiza, protective sheaths of the young shoot and the radicle. The scutellum arises from octant cells, which also contribute to the cotyledon.
scutellum, scutella, scutellar - BugGuide.Net
网页2020年12月9日 · scutellum noun; plural scutella; adjective scutellar - the third mesothoracic tergite of an insect, often very noticeable in beetles (Coleoptera), true bugs (Heteroptera), and flies (Diptera). The scutellum typically forms a small posteriorly-pointing triangle at the base of the folded wings.
4.6.3: Mature Embryos and Seed Structure - Biology LibreTexts
网页The single cotyledon is called a scutellum; the scutellum also has vascular connections to the rest of the embryo. The large inner layer of the endosperm that stores nutrients is called the starchy endosperm.
scutellum, n. meanings, etymology and more - Oxford English …
网页There are five meanings listed in OED's entry for the noun scutellum. See ‘Meaning & use’ for definitions, usage, and quotation evidence. scutellum has developed meanings and uses in subjects including. plants (mid 1700s) insects (1810s) birds (1840s)
What is scutellum? - BYJU'S
网页Scutellum: Scutellum is the one large shielded cotyledon of a monocot plant. It is a the first leaf of monocot plants. It is also known as first primordial leaf. It is present at the lateral side of the embryonal axis. Function of scutellum: Provides nourishment to the developing embryo. Absorbs nutrients from the endosperm during seed germination.
scutellum - Wiktionary, the free dictionary
网页2023年8月22日 · Any of several shield -shaped structures in insects, grasses etc. (lichenology) A rounded apothecium having an elevated rim formed of the proper thallus, the fructification of certain lichens. (zoology) The third of the four pieces forming the upper part of a thoracic segment of an insect.