What does ctenoid mean?

Definitions for ctenoid
ˈti nɔɪd, ˈtɛn ɔɪdctenoid

This dictionary definitions page includes all the possible meanings, example usage and translations of the word ctenoid.

Princeton's WordNet

  1. ctenoid, comb-likeadjective

    resembling a comb; having projections like the teeth of a comb


  1. ctenoidadjective

    Having a toothed margin, usually fish scales

  2. ctenoidadjective

    Comb-like in shape.


  1. ctenoid

    A fish scale is a small rigid plate that grows out of the skin of a fish. The skin of most jawed fishes is covered with these protective scales, which can also provide effective camouflage through the use of reflection and colouration, as well as possible hydrodynamic advantages. The term scale derives from the Old French escale, meaning a shell pod or husk.Scales vary enormously in size, shape, structure, and extent, ranging from strong and rigid armour plates in fishes such as shrimpfishes and boxfishes, to microscopic or absent in fishes such as eels and anglerfishes. The morphology of a scale can be used to identify the species of fish it came from. Scales originated within the jawless ostracoderms, ancestors to all jawed fishes today. Most bony fishes are covered with the cycloid scales of salmon and carp, or the ctenoid scales of perch, or the ganoid scales of sturgeons and gars. Cartilaginous fishes (sharks and rays) are covered with placoid scales. Some species are covered instead by scutes, and others have no outer covering on part or all of the skin. Fish scales are part of the fish's integumentary system, and are produced from the mesoderm layer of the dermis, which distinguishes them from reptile scales. The same genes involved in tooth and hair development in mammals are also involved in scale development. The placoid scales of cartilaginous fishes are also called dermal denticles and are structurally homologous with vertebrate teeth. Most fish are also covered in a layer of mucus or slime which can protect against pathogens such as bacteria, fungi, and viruses, and reduce surface resistance when the fish swims.

Webster Dictionary

  1. Ctenoidadjective

    having a comblike margin, as a ctenoid scale

  2. Ctenoidadjective

    pertaining to the Ctenoidei

  3. Ctenoidnoun

    a ctenoidean

Chambers 20th Century Dictionary

  1. Ctenoid

    tē′noid, adj. comb-shaped, applied by Agassiz to the scales and fins of certain fishes, as the perch, &c.—adj. and n. Ctenoid′ean. [Gr. kteis, ktenos, a comb, eidos, form.]

Anagrams for ctenoid »

  1. D-notice

  2. deontic

  3. ectodin

  4. noticed

  5. condite

How to pronounce ctenoid?

How to say ctenoid in sign language?


  1. Chaldean Numerology

    The numerical value of ctenoid in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of ctenoid in Pythagorean Numerology is: 7

Translations for ctenoid

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"ctenoid." Definitions.net. STANDS4 LLC, 2023. Web. 1 Jun 2023. <https://www.definitions.net/definition/ctenoid>.

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