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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 215cochineal n. [Gr. kokkinos, scarlet] (ARTHRO: Insecta) A crimsondye commercially extracted from the dried bodies <strong>of</strong>the homopterous insect Dactylopius coccus (cochinealscale) cultivated in South America, Mexico and the CanaryIslands. see quinone biochrome.cochleate a. [Gr. kochlias, snail with a spiral shell] Spirallytwisted like a snail shell; screw-like.cockle n. [Gr. konkylion, shell] (MOLL: Bivalvia) The heartshapedshells or valves <strong>of</strong> the family Cariidae .cocoon n. [F. cocon, shell] A protective case or covering <strong>of</strong> anegg mass, larva, pupa, or adult <strong>of</strong> various invertebrates.cocoon-breaker or cutter (ARTHRO: Insecta) Structures or anelevated ridge <strong>of</strong> the pupa <strong>of</strong> certain Lepidoptera, <strong>of</strong>ten onthe meson <strong>of</strong> the head; functioning in exiting the cocoon.code n. [L. codex, tablet] The International Code <strong>of</strong> ZoologicalNomenclature.codominant a. [L. cum, with; dominus, master] Pertaining togenes when both alleles <strong>of</strong> a pair are fully expressed in theheterozygote.codon n. [L. codex, tablet] The genetic unit <strong>of</strong> three adjacentnucleotides that specify a single amino acid in a polypeptidechain.codonocephalus larva (PLATY: Trematoda) A metacercariasimilar to a neascus larva.coe- For words not found here see ce- or cae-.coecum, coeca see caecumCoelenterata, coelenterate n. [Gr. koilos, hollow; enteron,intestine] 1. A group <strong>of</strong> diploblastic, mostly marine animalswith a single internal cavity with an oral opening. 2. Cnidaria(=Coelenterata). 3. A phylum containing two subphyla,Cnidaria and Ctenophora in some classifications.coelenteron n. [Gr. koilos, hollow; enteron, intestine] The singlecavity, or sole body space <strong>of</strong> a coelenterate, serving asa stomach and excretory organ, and by outgrowths, as aprimitive vascular system.coeloblast see hypoblast

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