- actinotrichia
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plural of actinotrichium
Dictionary of ichthyology. 2009.
actinotrichia
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actinotrichia — (= actinotrichium (singular) ) … Dictionary of molecular biology
camptotrichium — (plural camptotrichia)) rays which support the fin membranes in Dipnoi and Crossopterygii. Actinotrichia are not found distal to the camptotrichia in the fin membrane. This suggests that they are homologous to the ceratotrichia of Elasmobranchii… … Dictionary of ichthyology
lepidotrichium — (plural lepidotrichia)) a definitive fin ray (including spines), usually dermal bones found in Teleostomi. Each lepidotrich is formed of two hemitrichs closely joined along their length except basally where they diverge to articulate with the… … Dictionary of ichthyology
Lepidotrichia — are bony, bilaterally paired, segmented fin rays found in bony fishes. They develop around actinotrichia as part of the dermal exoskeleton. Lepidotrichia may have some cartilage or bone in them as well. They are actually segmented and appear as a … Wikipedia
Hallux — Dedos gordos en la escultura … Wikipedia Español
actinotrich — a slender, horny, flexible, unsegmented fibril which strengthens the embryonic fin fold and which may persist in the outer edge of the adult fin membrane or in the adipose fin. It develops intercellularly rather than cellularly. Persists in fins… … Dictionary of ichthyology
actinotrichium — (plural actinotrichia) actinotrich … Dictionary of ichthyology
hemitrichium — (plural hemitrichia)) one of the pair of slender rod like structures that compose a lepidotrich or soft fin ray. The hemitrichia are segmented and often branched. The segments are movably held together by flexible collagenous fibres and joined at … Dictionary of ichthyology
