- Periproct
- Periproct Per"i*proct, n. [Pref. peri- + Gr. ? the anus.] (Zo["o]l.) The region surrounding the anus, particularly of echinoderms. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
Periproct
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periproct — n. [Gr. peri, around; proktos, the anus] 1. The distal piece or segment of the body containing the anus. 2. (ANNELIDA: Oligochaeta) The pygomere or pygidium. 3. (ARTHROPODA) see telson. 4. (ECHINODERMATA) The circular membrane containing the anus … Dictionary of invertebrate zoology
periproct — periproctal, periproctic, periproctous, adj. /per euh prokt /, n. (in certain echinoids) that part of the body surface bordering the anus. [1875 80; PERI + proct < Gk proktós anus] * * * … Universalium
periproct — peri·proct … English syllables
periproct — … Useful english dictionary
endocyclic — adj. [Gr. endon, within; kyklos, circle] (ECHINODERMATA: Echinoidea] Pertaining to a test with rounded profile, peristome and periproct central at the oral and aboral poles respectively; periproct encircled by apical system of plates … Dictionary of invertebrate zoology
genital plates — 1. (ARTHROPODA: Chelicerata) see epigynum. 2. (ECHINODERMATA: Echinoidea) Plates surrounding the periproct … Dictionary of invertebrate zoology
plastron — n. [F. plastron, breast plate] 1. The chorion of some eggs. 2. (ARTHROPODA: Insecta) A permanent film of air retained by hairs on the outside of an aquatic insect body allowing an air water interface for gaseous exchange. 3. ECHINODERMATA:… … Dictionary of invertebrate zoology
telson — n. [Gr. telson, end] 1. (ARTHROPODA) The terminal portion of an arthropod body (not considered a true somite), usually containing the anus; the periproct. 2. (ARTHROPODA: Chelicerata) In scorpions, the distal stinging caudal spine. 3. (ARTHROPODA … Dictionary of invertebrate zoology
trunk — n. [L. truncus, cut off] 1. (ANNELIDA) a. In Polychaeta, the body between the peristomium and the pygidium. b. In Oligochaeta, the body between the peristomium and periproct. 2. (ARTHROPODA: Crustacea) The postcephalic portion of the body. 3.… … Dictionary of invertebrate zoology
Periprokt — Inneres Kalkskelett eines regelmäßigen Seeigels. Das Periprokt befindet sich an der Oberseite um die Afteröffnung. Das Periprokt, bzw. Periproct abgeleitet vom griechischen peri= „um ... herum“ und proktos = „After“, oder Afterfeld bezeichnet in… … Deutsch Wikipedia
