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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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242Maggenti and Gardnercornu n.; pl. cornua [L. cornu, horn] 1. A horn or horn-shapedstructure. 2. (ARTHRO: Insecta) The horn-like processes inthe cephalo-pharyngeal skeleton <strong>of</strong> dipterous larvae. cornuala.cornuti n.pl.; sing. cornutus [L. cornutus, horned] (ARTHRO:Insecta) Sclerotized armature <strong>of</strong> the aedeagus <strong>of</strong> male Lepodoptera,in the form <strong>of</strong> slender single spines, scale-likedentations, dense spine-hairs or rasplike teeth; sometimesbreaking <strong>of</strong>f during copulation and remaining in the bursacopulatrix <strong>of</strong> the female.corona n. [L. corona, crown] 1. A crownlike structure or organ<strong>of</strong> various invertebrates. 2. (ARTHRO: Insecta) In Lepidopteramale genitalia, a specialized row <strong>of</strong> armament setae,teeth or spines on the cucullus. 3. (ECHINOD) a. In Crinoidea,a central mass and arms: a crown. b. In Echinoidea,a test, minus the apical system. 4. (ROTIF) A mainciliary wreath surrounding the mouth <strong>of</strong> a rotifer. coronala.corona ciliata see ciliary loopcoronal a. [L. corona, crown] (PORIF) Referring to being locatedon the rim <strong>of</strong> an oscule.coronal disc (ROTIF) The ciliary wreath on the anterior part <strong>of</strong>the head region.coronal suture (or branch) (ARTHRO: Insecta) A longitudinalsuture occurring along the midline <strong>of</strong> the vertex, betweenthe compound eyes; the stem <strong>of</strong> the Y-shaped epicranialsuture; the metopic suture.coronal systebm (ECHINOD: Echinoidea) In sea urchins, platesforming the wall <strong>of</strong> the test.corona radiata (NEMATA: Secernentea) In Strongylida, a series<strong>of</strong> leaf-like or fringe-like structures encircling/bordering thelabial region; the internal and external or outer leaf crown<strong>of</strong> some authors.coronary a. [L. corona, crown] Crown-shaped or crownlike;encircling.coronate a. [L. corona, crown] Having a crown, corona orsimilar structure.

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