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Scutellum

- Noun

The third of the four pieces forming the upper part of a thoracic segment of an insect. It follows the scutum, and is followed by the small postscutellum; a scutella. See Thorax.

- Noun

A rounded apothecium having an elevated rim formed of the proper thallus, the fructification of certain lichens.

- Noun

One of the transverse scales on the tarsi and toes of birds; a scutella.


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    Scutellum may refer to:

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    The Scutellum is part of the structure of a barley and rice seed—the modified seed leaf.

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    Dendrofissurella scutellum

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    Scutellum (trilobite)

    Scutellum was a genus of trilobite in the family Styginidae. They lived during the Devonian Period and are most often found in the Atlas Mountain area of Morocco.

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    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 bases. In Diptera and Hymenoptera the scutellum is nearly always distinct, but much smaller than (and immediately posterior to) the mesoscutum.

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    Ophryotrocha scutellus, is a species of polychaete worm. Live observation of this species in aquarium experiments indicate a bacterial diet. O. scutellus is named after the Latin scutella for “saucer”, due to its flattened disc-like head. Ophryotrocha scutellus has a dorsoventrally rounded and flattened prostomium, similar to O. platykephale, from which this species differs in jaw morphology, the form of its parapodia and the absence of branchiae.

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