discoid

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discoid

[′dis‚kȯid]
(biology)
Being flat and circular in form.
Any structure shaped like a disc.
References in periodicals archive ?
A fully integrated filter manufacturer, CDI fabricates the highest quality discoidal multilayer capacitors.
Todo lo anterior nos lleva a plantear que tanto las hachas como los tupu de cabeza discoidal pudieran ser incorporaciones historicas.
Cephalic coxae three-fourth as long as the pronotum, slightly inflated proximad, more slender distad, internal face with distal lobe moderately developed, margin sparsely, denticulate: cephalic femora slender, faintly sigmoid, distal five-eigths tapering, very slender, median discoidal spine the longest of the three; external margin with five spines of wich the distal one is much the shortest; internal margin with nine spines arranged in the formula: iIIIIIIi; margins of the cephalic femora other than those sections bearing the regular spine series sparsely dentate, the medio-ventral one distinctly and regular serrate-dentate.
nalapae Roth 1995); tegmina usually with oblique, rarely suboblique or longitudinal discoidal sectors.
The human placenta is a flattened discoidal mass with an approximately circular or oval outline with an average weight about 500 grams.
El tercer posible origen de este tipo de nucleos se puede explicar a partir de los poliedricos, los cuales se encuentran en una fase de explotacion previa donde se evidencia una tendencia discoidal en la que empiezan a configurarse dos caras opuestas.
Dorsum granulated, skin of flank and lower back bearing large flat warts, limbs with some low granules; skin of venter coarsely areolate; discoidal folds absent; dorsolateral and postorbital folds absent; cloacal region with some scattered warts; 3-4 ulnar tubercles present, poorly defined.
5) The morphological traits: colour, proboscis length, tarsal index, cubital index, discoidal shift and some genetic markers (mtDNA and microsatellites); generally the morphological traits have no economic importance but they are very important for the preservation of local honeybees, which is considered to be the best adapted to local natural conditions.
REMARKS: The rock record is rife with discoidal and stellate structures, many of which have been described as trace or body fossils (e.
The one worn by the boy on the left may possibly be made of discoidal shell beads; the boy at center wears a small hairpipe breastplate; while the other boy's is constructed of eight bead-wrapped rolls, flanked by conch shell discs.