adhesive head gland
adhesive organ

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • head gland — adhesive organ (transient larval organs near the mouth used to attach the larvae to the substrate, e.g. in Protopterus, Lepidosiren, Acipenser, Esox, Macropodus) …   Dictionary of ichthyology

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  • flatworm — /flat werrm /, n. any worm of the phylum Platyhelminthes, having bilateral symmetry and a soft, solid, usually flattened body, including the planarians, tapeworms, and trematodes; platyhelminth. [1895 1900; FLAT1 + WORM] * * * or platyhelminth… …   Universalium

  • reptile — reptilelike, adj. reptiloid /rep tl oyd /, adj. /rep til, tuyl/, n. 1. any cold blooded vertebrate of the class Reptilia, comprising the turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara, and various extinct members including the… …   Universalium

  • Spawn (biology) — The spawn (eggs) of a clownfish. The black spots are the eyes developing. Spawn refers to the eggs and sperm released or deposited, usually into water, by aquatic animals. As a verb, spawn refers to the process of releasing the eggs and sperm,… …   Wikipedia

  • insect — insectival /in sek tuy veuhl/, adj. /in sekt/, n. 1. any animal of the class Insecta, comprising small, air breathing arthropods having the body divided into three parts (head, thorax, and abdomen), and having three pairs of legs and usually two… …   Universalium

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  • amphibian — /am fib ee euhn/, n. 1. any cold blooded vertebrate of the class Amphibia, comprising frogs and toads, newts and salamanders, and caecilians, the larvae being typically aquatic, breathing by gills, and the adults being typically semiterrestrial,… …   Universalium

  • gel-1 —     gel 1     English meaning: “to curl; round, *gland, growth, ball, fathom, arm”     Deutsche Übersetzung: “ballen, sich ballen; Gerundetes, Kugeliges” etc     Material: evidence for the unadjusted root form are seldom and partly very doubtful …   Proto-Indo-European etymological dictionary

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