seta

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seta

[′sed·ə]
(biology)
A slender, usually rigid bristle or hair. Also known as chaeta.
In mosses and liverworts, the stalk of the sporophyte supporting the capsule.
References in periodicals archive ?
19) with tergite I smooth with some setiferous punctures, with lateromedian longitudinal carinae very weak, in dorsal view present on anterior 0.
Pronotum long, not swollen above epomia, epomia itself strong and long but not reaching upper margin of pronotum; mesoscutum uniformly punctulate with setae; notauli weakly impressed anteriorly; mesopleuron with setiferous punctures at ventral and anterior margins; epicnemial carina weakly impressed, somewhat sinuous at dorsal margin, not reaching the anterior margin of mesopleuron and exceeding level of lower corner of pronotum; sternal part of mesothorax 1.
3), prominent, glossy, with sparse, shallow setiferous punctures throughout; apical margin with 13 medium-size setae.
Pygidium flattened, with scattered setiferous punctures; marginal bead widened near apex, with 10 short setae.
Pigmented abdominal setiferous sclerites present, sometimes coalescent on AbdVIII; marginal papillae habitually absent (8 specimens with 1-3 present).
Abdominal marginal and several setiferous sclerites present.
50X F2L; antenna with 10-12 flagellomeres, maxillary palpus apparently 4- to 5-segmented, labial palpus 2-segmented; face smooth or rugulose, setose; frons smooth with rugulose or smooth longitudinal groove mesally, setose laterally and glabrous mesally; gena and vertex smooth, setose; occiput smooth, glabrous; eye setose; clypeus with apical rim, setiferous to setose; mandible with 3 teeth (Fig.
8%), pronope apparently absent or present, lateral portion of pronotum coriaceous to rugulose, setiferous along margins, glabrous mesally, anterolateral furrow often rugulose to crenulate (75.
cuschensis because (1) membranous distal part of the caudal knob in apterous viviparous females is small, contrasting very little with the rest of the knob; (2) the dorsum of head, antennae, legs, and siphunculi are very weakly pigmented in apterous viviparous females; (3) setiferous sclerites are absent from dorsum of abdomen in apterous viviparous females; and (4) they are green when alive.
Marginal papillae and setiferous sclerites absent; intersegmental and stigmatic sclerites unpigmented.
Visible abdominal sternites 2[degrees] to 4[degrees] slightly depressed at middle; 5th sternite widely convex, shiny, with scattered setiferous punctures; anal plate long, weakly concave, with a central, moderate prominence covered by setigerous granules (Fig.