Definition of seta

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Seta (n.) One of the movable chitinous spines or hooks of an annelid. They usually arise in clusters from muscular capsules, and are used in locomotion and for defense. They are very diverse in form..

Lern More About Seta

Sea Mouse :: Sea mouse () A dorsibranchiate annelid, belonging to Aphrodite and allied genera, having long, slender, hairlike setae on the sides..
Gymnocopa :: Gymnocopa (n. pl.) A group of transparent, free-swimming Annelida, having setae only in the cephalic appendages..
Millet :: Millet (n.) The name of several cereal and forage grasses which bear an abundance of small roundish grains. The common millets of Germany and Southern Europe are Panicum miliaceum, and Setaria Italica..
Setaceous :: Setaceous (a.) Bristelike in form or texture; as, a setaceous feather; a setaceous leaf..
Equisetum :: Equisetum (n.) A genus of vascular, cryptogamic, herbaceous plants; -- also called horsetails..
Setaceous :: Setaceous (a.) Set with, or consisting of, bristles; bristly; as, a stiff, setaceous tail..
Setula :: Setula (n.) A small, short hair or bristle; a small seta..
Foxtail :: Foxtail (n.) The name of several kinds of grass having a soft dense head of flowers, mostly the species of Alopecurus and Setaria..
Pteridophyta :: Pteridophyta (n. pl.) A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia..
Chaetiferous :: Chaetiferous (a.) Bearing setae.
Seta :: Seta (n.) Any slender, more or less rigid, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss..
Aplacophora :: Aplacophora (n. pl.) A division of Amphineura in which the body is naked or covered with slender spines or setae, but is without shelly plates..
Chaetopoda :: Chaetopoda (n. pl.) A very extensive order of Annelida, characterized by the presence of lateral setae, or spines, on most or all of the segments. They are divided into two principal groups: Oligochaeta, including the earthworms and allied forms, and Polychaeta, including most of the marine species..
Seta :: Seta (n.) One of the movable chitinous spines or hooks of an annelid. They usually arise in clusters from muscular capsules, and are used in locomotion and for defense. They are very diverse in form..
Polychaeta :: Polychaeta (n. pl.) One of the two principal groups of Chaetopoda. It includes those that have prominent parapodia and fascicles of setae. See Illust. under Parapodia.
Moha :: Moha (n.) A kind of millet (Setaria Italica); German millet.
Perichaetous :: Perichaetous (a.) Surrounded by setae; -- said of certain earthworms (genus Perichaetus).
Trichophore :: Trichophore (n.) One of the saclike organs from which the setae of annelids arise.
Setulose :: Setulose (a.) Having small bristles or setae.
Isosporic :: Isosporic (a.) Producing but one kind of spore, as the ferns and Equiseta. Cf. Heterosporic..
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