echinate

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echinate

[ə′kī‚nāt]
(zoology)
Having a dense covering of spines or bristles.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
28.5 x 18.66); walls thickened, hyaline, well echinulate and 2.5-4 um (4 um); PARAPHYSES were marginal, yellowish brown to reddish brown, cylindrical or clavate, 50-130 (-135) x 6-8 um thick, apically rounded; wall 1-3 um thick, side walls seems thicker at apex, hyaline below and sometimes dichotomously branched.
Marticorena (1963) described for the pollen grains of the genera of Sicyineae "echinate or echinulate exine, covered by an apparently loose coat, formed by baculoid processes, which in some species, have a loosely reticuloid disposition".
sporocristata, although the spores are similar, 4-5 x 3.2-3.8 [micron]m, ovoid and echinulate with the spines not aligned in crests (Dissing and Lange 1962).
Urediniospores subglobose or ovoid, yellowish brown, 12-18 x 16-26 um; wall densely echinulate, germ pores 2-4,scattered.
Hyphae of basal mycelium 3-5 [micro]m diam, hyaline, thick-walled (wall up to 0.5 [micro]m thick), conspicuously clamped, straight, parallel, not adherent; walls weakly cyanophilous; ampulliform swelling usually as inflated clamp connections, occasionally as abrupt, lateral, subbulbous hyphal protuberances, not unusually thick-walled, unornamented, usually elongate barrel-shaped; echinulate hyphae not observed.