scutellum

scu·tel·lum

S0180400 (skyo͞o-tĕl′əm)n. pl. scu·tel·la (-tĕl′ə) 1. Zoology A shield-shaped sclerite on the mesothorax of certain insects, posterior to the scutum.2. Botany Any of several shield-shaped structures, such as the cotyledon of a grass.

[New Latin scūtellum, from Latin, diminutive of scūtum, shield; see scutum.]

scu·tel′lar (-tĕl′ər) adj.

scutellum

(skjuːˈtɛləm) n, pl -la (-lə) 1. (Zoology) the last of three plates into which the notum of an insect's thorax is divided2. (Zoology) one of the scales on the tarsus of a bird's leg3. (Botany) an outgrowth from a germinating grass seed that probably represents the cotyledon4. (Biology) any other small shield-shaped part or structure[C18: from New Latin: a little shield, from Latin scūtum a shield] scuˈtellar adj scutellate, scutellated adj

scu•tel•lum

(skyuˈtɛl əm)

n., pl. -tel•la (-ˈtɛl ə) 1. Bot. the shieldlike cotyledon of certain monocots. 2. Zool. a small plate, scale, or other shieldlike part, as on the thorax of insects or the feet of birds. [1750–60; < New Latin, < Latin scūt(um) shield (see scute)]

Scutellum

scutellum

[skü′tel·əm] (botany) A rounded apothecium with an elevated rim found in certain lichens. The flattened cotyledon of a monocotyledonous plant embryo, such as a grass. (invertebrate zoology) The third of four pieces forming the upper part of the thoracic segment in certain insects. (vertebrate zoology) One of the scales on the tarsi and toes of birds.

Scutellum

one of the principal organs in the embryo of grasses of the family Gramineae. During seed sprouting, the scutellum secretes enzymes that make soluble the reserve substances of the endosperm that nourish the developing embryo. Some botanists regard the scutellum as a cotyledon, and others as a modified axis of the embryo.

单词	scutellum
释义	scutellum scu·tel·lum S0180400 (skyo͞o-tĕl′əm)n. pl. scu·tel·la (-tĕl′ə) 1. Zoology A shield-shaped sclerite on the mesothorax of certain insects, posterior to the scutum.2. Botany Any of several shield-shaped structures, such as the cotyledon of a grass. [New Latin scūtellum, from Latin, diminutive of scūtum, shield; see scutum.] scu·tel′lar (-tĕl′ər) adj. scutellum (skjuːˈtɛləm) n, pl -la (-lə) 1. (Zoology) the last of three plates into which the notum of an insect's thorax is divided2. (Zoology) one of the scales on the tarsus of a bird's leg3. (Botany) an outgrowth from a germinating grass seed that probably represents the cotyledon4. (Biology) any other small shield-shaped part or structure[C18: from New Latin: a little shield, from Latin scūtum a shield] scuˈtellar adj scutellate, scutellated adj scu•tel•lum (skyuˈtɛl əm) n., pl. -tel•la (-ˈtɛl ə) 1. Bot. the shieldlike cotyledon of certain monocots. 2. Zool. a small plate, scale, or other shieldlike part, as on the thorax of insects or the feet of birds. [1750–60; < New Latin, < Latin scūt(um) shield (see scute)] Scutellum scutellum [skü′tel·əm] (botany) A rounded apothecium with an elevated rim found in certain lichens. The flattened cotyledon of a monocotyledonous plant embryo, such as a grass. (invertebrate zoology) The third of four pieces forming the upper part of the thoracic segment in certain insects. (vertebrate zoology) One of the scales on the tarsi and toes of birds. Scutellum one of the principal organs in the embryo of grasses of the family Gramineae. During seed sprouting, the scutellum secretes enzymes that make soluble the reserve substances of the endosperm that nourish the developing embryo. Some botanists regard the scutellum as a cotyledon, and others as a modified axis of the embryo. scutellum scutellum (skyo͞o-tĕl′əm)n. pl. scu·tella (-tĕl′ə) Zoology A shield-shaped sclerite on the mesothorax of certain insects, posterior to the scutum. scu·tel′lar (-tĕl′ər) adj. scutellum a plate-like projection from the back of a dorsal plate of the thorax in insects.
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