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Related to clavus: clavus hystericus


 (klā′vəs, klä′-)
See corn2.

[Latin clāvus, nail, callus.]


a corn on the toe
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.clavus - a hard thickening of the skin (especially on the top or sides of the toes) caused by the pressure of ill-fitting shoes
callosity, callus - an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot)
References in periodicals archive ?
5 times as long as the maximum width, widest at level of nodal line, anterior margin slightly arched, posterior margin straight, rounded apically; corium smooth, without granulation, costal cell broader, with sparse oblique transverse veinlets, Sc+R veins forked basad of middle of forewing, and Cu veins bifurcated in basal quarter, M veins simply reaching to nodal line, claval veins uniting in middle of clavus, nodal line and subapical line distinct, forming 7-9 subapical cells and 11-15 apical cells.
karimii Poisson 12 Thick setae scattered sparsely on scutellum and hemelytra, including on clavus, embolium, corium, and membrane (Fig.
Hemelytron: complete, clavus reaching to tip of scutellum, corium developed, membrane large, without veins (Fig.
crassisigna the sacculus is more narrow, clavus is rectangular, vesica is longer with a small latero-basal diverticulum, and robust cornuti (Figs.
5 times as long as the body, very narrow, with only 2 longitudinal veins joint apically and rudimentary triangular clavus (Figs 1, 2, 9).
The sclerotized apex of AA1 + 2 terminating at about end of clavus whereas apex of stem Cu turning diagonally anterodistad (as CuA?
Hemelytra: Clavus wide, claval vein raised, and surface with small bristle-like setae; claval commissure slightly longer than scutellum; costal margin of corium gently rounded from base to apex; veins strongly raised, surface sparsely covered with hispid tubercles; hemelytral membrane almost reaching apex of abdomen, with numerous anastomosing veins; angles not armed; spiracles set medial on segments, closer to side margins than to either segmental border.
Clavus long (reaching or slightly surpassing level of SC apex), wide, with four simple, parallel anal veins visible.
1] deeply convex distad of claval apex, almost reaching M, hence slightly detached; with a callus in costal cell, 6 apical areoles distad of stigma, apical part behind apex of clavus folding down and covering apex of abdomen.
Integument: Body surface rather dull, almost glabrous; head, pronotum, scutellum, clavus, corium, connexivum, pro-, meso-, and metapleura, metasternum, abdominal sterna, male genital capsule and female genital plates densely punctate.
Similar pattern coloration as the brachypterous form but the marks are more infuscate, the mesonotum uniformly brown dark colored except the tegulae that are pale and the hyaline fore wing--that are heavily infuscate at basal third and at apex of clavus (Fig.
2A); collar only slightly bulged; scutellum flattened, without outgrowths or rows of punctures laterally; pronotum and scutellum impunctate; posterior part of metepimeron roundish; metasternum without medial outgrowth; corium flat, without swellings; hemelytra without row of punctures on clavus and R + M vein, clothed with distinct suberect setae; R + M vein almost reaching apex of corium; inner margin of clavus slightly concave claval commissure longer than; inner margin of corium behind clavus straight; forecoxae removed from each other; foretibia distinctly shorter than head and pronotum combined; femora slightly widened apically, not curved; tarsal segment I 1.