caudal fan


caudal fan
1. (ARTHROPODA: Crustacea)
A structure formed of laterally expanded uropods and telson that functions in swimming or steering and balancing; tailfan.
2. (ARTHROPODA: Insecta)
For mosquito larvae see ventral brush.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • caudal fan — Combination of laterally expanded uropods and telson turned backwards to form powerful swimming structure or means of steering and balancing. (Syn. tail fan, rhipidura) [Moore and McCormick, 1969]. Powerful swimming structure formed of laterally… …   Crustacea glossary

  • tailfan — See: caudal fan [Martin, 2005]. As a unit, telson and two pairs of uropods [Butler, T.H.]. Combination of broad, flat uropods lying alongside the telson [Brusca and Brusca, 2002]. Combined telson and uropods in many malacostracans [Brusca and… …   Crustacea glossary

  • caridoid facies — (ARTHROPODA: Crustacea) A group of characters that distinguish primitive eumalacostracan crustaceans: enclosure of the thorax by the carapace, movable stalked eyes, biramous antennules, antennae with scaphocerites, thoracopods with natatory… …   Dictionary of invertebrate zoology

  • tailfan — see caudal fan …   Dictionary of invertebrate zoology

  • caridoid facies — Aspect of primitive Eumalacostraca distinguished by enclosure of thorax by carapace, movably stalked eyes, biramous antennules, scaphocerite bearing antennae, thoracopods with natatory exopods, elongate abdomen ventrally flexed and powerfully… …   Crustacea glossary

  • nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

  • Río Zeravshan — (o Zarafshan) (زر افشان Зарафшон) Vista del río Zeravshan, Ayni (Tayikistán) País que atraviesa …   Wikipedia Español

  • uropod — A paired biramous appendage attached to the sixth abdominal somite in all but the true crabs and usually combining with the telson to form a tail fan [Chace and Hobbs, 1969]. An appendage of the last (6th) abdominal segment [Warner, 1977].… …   Crustacea glossary

  • 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

  • Fish anatomy — The anatomy of fish is primarily governed by the physical characteristics of water, which is much denser than air, holds a relatively small amount of dissolved oxygen, and absorbs light more than air does. Body (1) operculum (gill cover), (2)… …   Wikipedia


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