anal segment
(Order Diplostraca):
Telson. (Syn. anal somite) [Stachowitsch, 1992].
(Order Anostraca):
Telson. (Syn. anal somite) [Stachowitsch, 1992].
(Class Cephalocarida):
Telson. (Syn. anal somite) [Stachowitsch, 1992].
(Class Remipedia):
Posteriormost segment of body; partially fused to reduced last trunk segment and bearing both anus and caudal rami. Occasionally also referred to as telson. (Length longer than, equal to, or shorter than width) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • anal somite — Postsegmental plate or lobe bearing anus [Brusca and Brusca, 2002]. (Order Leptostraca): Telson. (Syn. anal segment) [Stachowitsch, 1992]. (Subclass Copepoda): Last (fifth) segment of abdomen; bears anus dorsally and pair of caudal rami… …   Crustacea glossary

  • segment — Division of an appendage [Perez Farfante and Kensley, 1997]. Individual component of crustacean limb connected by movable articulation with adjoining segments. (Syn. podomere (not equivalent to somite, though used by some authors in this sense).… …   Crustacea glossary

  • anal flap — (Class Remipedia): Small lobe covering anus at posterior end of anal segment [Stachowitsch, 1992] …   Crustacea glossary

  • Anal wink — The anal wink, anal reflex, perineal reflex, or anocutaneous reflex is the reflexive contraction of the external anal sphincter upon stroking of the skin around the anus.A noxious or tactile stimulus will cause a wink contraction of the anal… …   Wikipedia

  • anal proleg — noun : either of the pair of false legs occurring on the l0th abdominal segment of caterpillars …   Useful english dictionary

  • Canal Anal — Le canal anal est le segment périnéal du rectum. Il est entouré par un manchon musculoaponévrotique constitué par l’aponévrose pelvienne, le muscle releveur de l’anus et le sphincter externe. Sommaire 1 Anatomie du canal anal 2 L appareil… …   Wikipédia en Français

  • Canal anal — Le canal anal est le segment périnéal du rectum. Il est entouré par un manchon musculoaponévrotique constitué par l’aponévrose pelvienne, le muscle releveur de l’anus et le sphincter externe. Sommaire 1 Anatomie du canal anal 2 L appareil… …   Wikipédia en Français

  • telson — ( ) [Baba, 2005]. Entire animal, right appendages omitted, dorsal view, based on Munida. [Baba, 2005] Last somite of body, bearing arms and commonly caudal furca or pair of cerci, growth zone for postcephalic somites located at its anterior edge …   Crustacea glossary

  • caudal ramus — One of paired appendages constituting caudal furca, usually rodlike or bladelike, sometimes filamentous and multiarticular. (Syn. caudal filament, caudal style, cercus, cercopod, furcal ramus, stylet) [McLaughlin, 1980]. Single appendage of… …   Crustacea glossary

  • Graphium sarpedon — Common bluebottle Graphium sarpedon choredon Scientific classification Kingdom: Animalia …   Wikipedia

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