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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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374Maggenti and Gardnerfrontal pore see fontanellefrontal/pretentorial pits (ARTHRO: Insecta) The internal invaginations<strong>of</strong> the anterior arms <strong>of</strong> the tentorium.frontal region (ARTHRO: Crustacea) The anteromedian part <strong>of</strong>a carapace including the rostrum and the region behind it.frontal ridge (ARTHRO: Insecta) 1. An anteriorly directed ridgeon the dorsal margin <strong>of</strong> the eye. 2. For mosquitoes, seepostfrontal ridge.frontal sail (MOLL: Gastropoda) In Prosobranchia, an erecttransverse fold on the anterior part <strong>of</strong> the head which maybe simple or formed into scallops, tubercles, or projections.frontal seta 1. (ARTHRO: Diplopoda) One <strong>of</strong> a pair <strong>of</strong> setae oneither side <strong>of</strong> the median line <strong>of</strong> the frontal surface <strong>of</strong> thehead. 2. (ARTHRO: Insecta) One <strong>of</strong> two setae on the frons<strong>of</strong> caterpillars.frontal shield (BRYO: Gymnolaemata) In Cheilostomata, theskeletal structure <strong>of</strong> the frontal or body wall that supportsand protects the retracted organs <strong>of</strong> an autozooid.frontal stripe (ARTHRO: Insecta) In Diptera, a membranous ordiscolored area on the middle front.frontal suture (ARTHRO: Insecta) 1. One <strong>of</strong> two sutures arisingat the anterior end <strong>of</strong> the coronal suture which extendsventrad toward the epistomal suture. 2. In Diptera, a sutureshaped like an inverted "U", having the base crossingthe face above the bases <strong>of</strong> the antennae, and the armsextending downward on each side <strong>of</strong> the face; a ptilinalsuture.frontal tentacles (MOLL: Gastropoda) In Opisthobranchia,tentacles just posterior to the mouth; cephalic tentacles.frontal triangle (ARTHRO: Insecta) In holoptic flies, the trianglebetween the eyes and the antennae, the apex beingabove.frontal tubercle see nasusfrontal tuft (ARTHRO: Insecta) In Hymenoptera, a group <strong>of</strong>elongate simple setae and fusiform scales arising at theinterocular space and the adjacent portion <strong>of</strong> the vertex.frontal vesicle (ARTHRO: Insecta) In Odonata, a protuberance

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