pterygiophore

pterygiophore
The bones in a fish that support the dorsal fin. There are two to three of them: proximal, middle, and distal; In spinous fins the distal is often fused to the middle or not present at all.

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  • pterygiophore — the cartilage or bone on the outer end of which sit the median fin rays or spines and to which are attached erector and depressor fin muscles. There may be three cartilages that ossify into proximal, median and distal pterygiophores (or axonost,… …   Dictionary of ichthyology

  • pterygiophore — pte·ryg·io·phore …   English syllables

  • pterygiophore — /təˈrɪdʒioʊfɔ/ (say tuh rijeeohfaw) noun Ichthyology the array of spines or cartilage that supports a fin. {Greek pterygi(on) little wing + o + phore} …  

  • pterygiophore — təˈrijēəˌfō(ə)r, teˈr noun ( s) Etymology: pteryg + phore : one of the cartilaginous or bony elements (as basalia and radialia) by which rays of the fin of a fish are supported : actinost …   Useful english dictionary

  • axonost — pterygiophore (the cartilage or bone on the outer end of which sit the median fin rays or spines), sometimes the proximal pterygiophore …   Dictionary of ichthyology

  • False scad — Scientific classification Kingdom: Animalia Phylum: C …   Wikipedia

  • os radiiferum — (plural ossa radiifera)) axonost or pterygiophore (the cartilage or bone on the outer end of which sit the median fin rays or spines, sometimes the proximal pterygiophore) …   Dictionary of ichthyology

  • 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

  • Footballfish — Taxobox name = Footballfish (Ceratoid Angler) image width = 220px image caption = Atlantic footballfish Himantolophus groenlandicus (female; skeleton body outline) regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Lophiiformes… …   Wikipedia

  • Ichthyology terms — Ichthyology uses several terms that are unique to the science.Contents: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z NOTOC A * Abdomen: belly * Abdominal: pertaining to the belly * Actinosts: a series of bones at the base of the pectoral… …   Wikipedia

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