Calyptræa (kaliptrea)

[NL., 1 2 1. Calyptra a ( Trochita ) radians. 2. Calyptræa dillwynni . cup-and-saucer limpets. Lamarck, 1799. See also cut under limpet. calyptræid (kal-ip-trē'id), n. A gastropod of the family Calyptræida. Calyptræidæ (kal-ip-trē'i-dē), n. pl. [NL., and cup-and-saucer limpets. Calyptratæ (kal-ip-tra'tē), n. pl. [NL., fem. pl. of calyptratus, division of the family Muscid a, containing flies with tegulæ or membranous scales above the halteres: contrasted with Acalyptratæ. Also Calypter atæ . calyptrate (ka-lip'trāt), a. [ calyptra + -atel.] 1. In bot . , furnished with a calyptra, as a capsule or a flower; resembling a calyptra, as a calyx that comes off like a lid or an ext in guisher. See cut under calyptra.-2. In zoöl., invested or covered with some part or organ like a calyptra or calyx; operculate. calyptriform (ka-lip'tri-form), a. [NL. ca lyptra, q. v., + L. form a, shape.] Having the genus of birds, of the family Eurylæmidæ. C. vi rid is, the only species, inhabits Java and Borneo. The genus is sometimes made the type of a subfamily Calypto menina. Calyptomera (ka-lip-tō-mē'rä), n. pl. [NL., Gr. καλυπτός, covered, + μηρός, thigh.] A division of cladocerous crustaceans, a suborder of Cladocera, having a well-developed shell including the limbs, and broad lamellar ambulatory feet, not distinctly segmented: contrasted with Gymnomera. It contains such families as Daphniidæ and Lynceida. calyptomerous (ka-lip-tō-mē'rus), a. Of or pertaining to the Calyptomera. calyptopis (ka-lip'to-pis), n. [NL., Calyptorhynchus (ka-lip-tō-ring'kus), n. [NL., C IMG:content-2965.png:[blocks in formation] form of a calyptra; opercular. calyptrimorphous (ka-lip-tri-môr'fus), a. [ E. calice and chalice, q. v.). In modern use the L. calyx, Gr. κάλυξ, α calyx, and its derivatives, are often confused with L. calix, a cup, and its derivatives.] 1. In bot., in general, the outer set of the envelops which form the perianth of a flower. It is usually more herbaceous and leaf-like than the corolla, but it is often highly colored and corolla-like, and is sometimes the IMG:content-2966.png:[blocks in formation] Calyptras. a, conical; b, dimidiate; c, mitriform. Calyxes. a, a , a , tri sepalous calyx of Actaa , b, gamosepalous calyx of Bryophyllum; c, c, bilabiate calyx of Salvia. first to fall. It may form the entire perianth, no corolla being present; or when there are several whorls of envel ops, they may so grade into each other that the calyx cannot be strictly separated from the bracts without and the petals within. The parts of a calyx when distinct are called sepals, and it is disepalous, tri sepalous, etc., асcording to their number. When they are more or le co IMG:content-2967.png:[blocks in formation] 2. In human an at., one of the cup-like or infundibuliform beginnings of the ureter in the pelvis of the kidney, surrounding the apices of the Malpighian pyramids, each receiving usually more than one pyramid. There are from seven to thirteen such calyces, converging and uniting in three infundibula, which in turn combine to form the pelvis. [In this sense calyx is generally found in the plural form, calyces or (incorrectly) calices.] 3. In zoöl.: (a) The cup at the base of the ciliated tentacles on the lophophore or oral disk of polyzoans. See Plum a tell a. (b) The pedicel lated Graafian follicle, ovarian capsule, or ovisac of a bird, consisting of two membranes of lax ti ue and blood-ve els, rupturing at a point called the stigma to discharge the ovum, then collapsing, finally becoming absorbed. (c) In crinoids, the cup at the summit of the stalk or stem, whence the brachia radiate and on the surface of which is the mouth. The base of the calyx is the summit of the stem, which may be a modified joint or o icle composed of confluent joints. See cut under Crinoidea. (d) In Hydrozoa, a generative capsule developed in the axils of a branched hydroid stock, containing either medusa-buds or sexual organs. (e) Some other calyciform or cup-shaped part or organ of an animal. calzoonst, n. pl. See calsons.