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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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24Maggenti and Gardneradherent a. [L. ad, near; haerere, to stick] Referring to beingattached, clinging or sticking fast.adhesion n. [L. ad, near; haerere, to stick] 1. Act or state <strong>of</strong>adhering. 2. Attraction between two molecules <strong>of</strong> differentsubstances.adhesion organs 1. Any <strong>of</strong> numerous invertebrate organsused for adhesion to various surfaces. 2. (ARTHRO: Insecta)Abdominal suckers, tarsal suckers and ventral tube. 3.(NEMATA) The spinneret. 4. (PLATY: Cestoda) Suckers,bothria and bothridia. 5. (PLATY: Trematoda) Oral and ventralsuckers. 6. (ROTIF) Pedal glands in the toes.adhesion tubes (NEMATA) Specialized hollow, tubelike structures,that may be supplied with muscles, associated withglands presumed to secrete a sticky substance; sometimesreferred to as tubular setae, adhesive bristles or ambulatorysetae.adhesive bristles see adhesion tubesadhesive capsule (CNID) A type <strong>of</strong> nematocyst used for attachingto objects.adhesive cells Various glandular or specialized cells capable <strong>of</strong>causing adhesion in cnidarians and tubellarians; sometimesreferred to as colloblasts, glue cells, or lasso cells.adhesive gland Various invertebrate glands that secrete asticky substance.adhesive pad (CNID: Hydrozoa) In some medusae, an adhesivesucker near tip <strong>of</strong> the tentacles utilized for clinging tosea weed.adhesive papillae (PLATY: Turbellaria) In triclads, the protuberantstructures for the purpose <strong>of</strong> attachment at the ends<strong>of</strong> the marginal adhesive glands.adiabatic a. [Gr. a, without; dia, through; bainein, to go]Without gaining or losing heat.adiaphanous, adiaphanus a. [Gr. a, without; diaphanes,transparent] Impervious to light; opaque.adient a. [L. adire, to approach] Turning toward or approach-

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