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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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674Maggenti and Gardnerpenultimate a. [L. paene, almost; ultimus, last] Next to thelast; the whorl preceding the last.peptonephridia n.pl. [Gr. pepton, digested; nephros, kidney](ANN: Oligochaeta) Organs opening into the buccal cavity <strong>of</strong>pharynx (supposedly modified nephridia).peraeon see pereonperaeonite see pereoniteperaeopod see pereopodpercurrent a. [L. per, through; currere, to run] Extendingthrough the entire length; continuous.percutaneous a. [L. per, through; cutis, skin] Penetrationthrough the skin.peregrine see allochthonous, anthropochorouspereionite see pereonitepereiopod see pereopodpereon, pereion, peraeon n. [Gr. peraioun, to convey] 1.(ARTHRO: Crustacea) A thoracic region <strong>of</strong> Isopoda; anteriorportion <strong>of</strong> the trunk bearing thoracopods, except for maxillipedalsomites and appendages. 2. pereion (ARTHRO: Insecta)see prothorax. pereonal a.pereonite n. [Gr. peraioun, to convey; -ites, joined to] (AR-THRO: Crustacea) Somite <strong>of</strong> the pereon; peraeonite,pereionite.pereopod, peraeopod, pereiopod n. [Gr. peraioun, to convey;pous, foot] (ARTHRO: Crustacea) Thoracic appendageused in locomotion and for seizing and handling food; ambulatoryleg; walking leg; trunk legs.perfect mesentaries (CNID: Anthozoa) Mesenteries spanningthe gastrovascular space and inserting on the body walland actino-pharynx. see imperfect mesentaries.perfoliate a. [L. per, through; folium, leaf] With terminal jointsleaflike and surrounding the stalk connecting them.perforate a. [L. per, through; forare, to bore] Pierced; havingpores or small openings.pergameneous a. [L. pergamena, parchment] Of the natureor texture <strong>of</strong> parchment.

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