Calcanea see unguitractor

calcar n.; pl. -caria [L. calcar, spur] 1. A spur-like projection. 2. (ARTHRO: Insecta) A spur- or horn-like hypertrophied seta or spine, with roots that may be incorporated in the tegument. calcarate a.

Calcarea n. [L. calcarius, of lime] A class of sponges of the Phylum Porifera, with skeleton formed of spicules of calcium carbonate laid down as calcite; tissues unlike other sponge classes due to three grades of construction: ascon-oid, synconoid and leuconoid.

calcareous a. [L. calcarius, of lime] Composed of, containing, or of the nature of limestone or calcium carbonate.

calcariform a. [L. calcar, spur; forma, shape] Spur-like.

calceolate a. [L. calceus, shoe] Slipper-shaped; oblong with a coarctate middle; calceiform; calceoliform.

calceolus n.; pl. calceoli [L. dim. calceus, shoe] (ARTHRO: Crustacea) In Malacostraca, complex sensory organelles on the antennules and accessory flagellum of amphipods.

calciferous glands (ANN: Oligochaeta) Esophageal glands of earthworms, excretory in function; controls the level of certain ions in the blood, particularly calcium and carbonate ions; glands of Morren.

calcific a. [L. calx, lime; facere, to make] Producing lime salts.

calcipala n. [L. calcis, heel; pala, shovel] (ARTHRO: Insecta) In certain Diptera, a flattened lobe at the apex of the basita-rus of the hind leg.

calcospherites n.pl. [L. calx, lime; sphaera, ball] (ARTHRO: Insecta) Calcium accumulated in the adipose-bodies of larvae of phytophagous Diptera.

calice n. [L. calyx, cup] (CNID) The open end of a coral skeleton. see corallite.

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