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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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2Maggenti and Gardnerabdominal ganglia (ARTHRO) Ganglia <strong>of</strong> the ventral nervecord that innervate the abdomen, each giving <strong>of</strong>f a pair <strong>of</strong>principal nerves to the muscles <strong>of</strong> the segment; locatedbetween the alimentary canal and the large ventral muscles.abdominal process (ARTHRO: Crustacea) In Branchiopoda,fingerlike projections on the dorsal surface <strong>of</strong> the abdomen.abdominal somite (ARTHRO: Crustacea) Any single division <strong>of</strong>the body between the thorax and telson; a pleomere; apleonite.abduce v. [L. abducere, to lead away] To draw or conductaway.abduct v. [L. abducere, to lead away] To draw away from position<strong>of</strong> median plane or axis.abductin n. [L. abducere, to lead away] (MOLL: Bivalvia) Rubber-likeblock <strong>of</strong> protein <strong>of</strong> the inner hinge ligament <strong>of</strong>Pecten.abductor muscle The muscle that draws an appendage or partaway from an axis <strong>of</strong> the body. see adductor muscle.aberrant a. [L. aberrans, wandering] Pertaining to a deviationfrom the normal type or form; abnormal; anomalous variations;different.abient a. [L. abire, to depart] Avoiding or turning away from asource <strong>of</strong> stimulation. see adient.abiocoen n. [Gr. a, without; bios, life; koinos, common] Thenon-living components <strong>of</strong> an environment.abiogenesis n. [Gr. a, without; bios, life; genesis, beginning]The theoretical concept that life can arise from non-livingmatter; spontaneous generation; archebiosis; archegenesis,archigenesis. see biogenesis, neobiogenesis.abiology n. [Gr. a, without; bios, life; logos, discourse] Thestudy <strong>of</strong> inanimate objects; anorganology.abiotic a. [Gr. a, without; bios, life] Pertaining to, or characterizedby the absence <strong>of</strong> life.abjugal furrow (ARTHRO: Chelicerata) In Acari, the line sepa-

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