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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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532Maggenti and Gardnerextending into the body cavity from the posterior region <strong>of</strong>the gut in insects, arachnids and myriapods.maltha see mesogloeamamelon n. [F. mamelon, protuberance] 1. (ECHINOD: Echinoidea)Terminal knob on the boss that articulates with thespine on the test. 2. (NEMATA: Secernentea) Two or threeventral, serrated projections on the ventral surface <strong>of</strong> themale <strong>of</strong> the genus Syphacia; function unknown.mammillate a. [L. mamilla, small breast] Having roundedprotuberances or wart-like projections; mammiform;mammose.manca n. [L. mancus, imperfect] (ARTHRO: Crustacea) In Peracarida,a juvenile or postlarva that lack the last thoracopodwhen released from the marsupium.manchette n. [F. manchette, cuff] (NEMATA) Line <strong>of</strong> demarcationbetween the cheilostome and esophastome; nema'scollar; sleeve.mancoid stage (ARTHRO: Crustacea) Postlarval stage in Leptostraca,with rudimentary 4th pleopod.mandible n. [L. mandibula, jaw] 1. A jaw. 2. (ANN: Polychaeta)The ventral chitinous plates or rods, maybe dentate,against which the maxilla work. 3. (ARTHRO: Crustacea)One <strong>of</strong> the third pair <strong>of</strong> cephalic appendages. 4. (ARTHRO:Diplopoda) The first pair <strong>of</strong> jaws, consisting <strong>of</strong> cardo, stipesand gnathal lobe. 5. (ARTHRO: Insecta) One <strong>of</strong> the variouslymodified anterior pair <strong>of</strong> paired mouthpart structures. 6.(BRYO) A modified orificial wall <strong>of</strong> the avicularium. see operculum.mandibular fossa (ARTHRO: Insecta) The dorsal articulation <strong>of</strong>the mandible.mandibular gland (ARTHRO: Insecta) A sac-like reservoir usuallypaired, and partially or completely lined by secretorycells, opening in the mesal junction <strong>of</strong> the mandible withthe head; functioning as alarm pheromone, fungistaticagent, aggregation pheromone, sex pheromone, territorydefending secretion, location <strong>of</strong> food and/or the 'burning'secretion <strong>of</strong> the 'fire bees'; in larval Lepidoptera, large andsecrete saliva (with the normal salivary glands specialized

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