lunule

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lu·nule

 (lo͞on′yo͞ol)
n.
A small crescent-shaped structure or marking, such as a depression near the hinge of a bivalve shell.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lunule - the crescent-shaped area at the base of the human fingernaillunule - the crescent-shaped area at the base of the human fingernail
region, area - a part of an animal that has a special function or is supplied by a given artery or nerve; "in the abdominal region"
nail - horny plate covering and protecting part of the dorsal surface of the digits
Translations
References in periodicals archive ?
Then she discusses test, apical system, petals, lunules, oral side, spines, color, distribution, and biology.
Abdomen: Abdomen oval, yellow lunules, spots and bands black with hairs along lateral margin of tergites 3 and 4; black central spots present on sternites, bands across entire width Eupeoes corollae Fabricius, 1794.
HW, yellow subterminal lunules of greater amplitude, discocellulars often black.