Definition of ctenoid. : having the margin toothed ctenoid scale also : having or consisting of ctenoid scales ctenoid fishes.

Cycloid scales are characteristic of the more primitive teleosts with soft-rayed fins, including fishes such as trout and salmon (Salmonidae) (Figures 4 and 5), minnows (Cyprinidae) (Figure 7), and herring (Clupeidae), whereas ctenoid scales are found on many spiny-rayed fishes (Acanthopterygii) such as perch (Percidae), most mullets (Mugilidae), and scorpionfishes (Scorpaenidae).

Ctenoid scales are characterized by small teeth on their posterior margin. Ctenoid scales are scales with comb-like edge found in higher order teleost fishes, such as perch and sunfish. Cteni are the tiny teeth on the posterior margin of the scale. Ctenoid scales have a variously developed spiny posterior margin (the word 'ctenoid' comes from the Greek cteno, meaning comb, and refers to the comb-like ctenii on the margin of the scale). Many authors feel that lumping all scales with a spiny posterior margin under the term 'ctenoid' is an oversimplification.

Ctenoid scales

Source for information on ctenoid scale: A Dictionary of Zoology dictionary. The term ctenidium refers to anything that is comb-like in appearance or design. As such, ctenoid scales have specific comb-like projections at the back. In form, structure and arrangement, they are very similar to cycloid scales.

However, those that do may be covered in scales of various shapes, sizes, and types. The primary categories of fish scales are placoid, cosmoid, ganoid, cycloid

Cteni are the tiny teeth on the posterior margin of the scale. Ctenoid scales have a variously developed spiny posterior margin (the word 'ctenoid' comes from the Greek cteno, meaning comb, and refers to the comb-like ctenii on the margin of the scale). Many authors feel that lumping all scales with a spiny posterior margin under the term 'ctenoid' is an oversimplification.

nature-microscope-photo-video stock photos and videos. Ctenoid scale, Ctenoid scale, Photos, Histology, Comparative histology of Vertebrates, Integumentary

Ctenoid scale, Ctenoid scale, Photos, Histology, Comparative histology of Vertebrates, Integumentary Most ganoid scales are rhomboidal (diamond-shaped) and connected by peg- and-socket joints. They are usually thick and fit together more like a jigsaw rather New Skin Texture Art Fish Scales Ideas Patterns In Nature, Textures Patterns, Skin Color. Saved from microscopyu.com.

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Dorsal Fin. The coelacanth has modified cosmoid scales that lack cosmine and are thinner than true cosmoid scales. Ganoid scales. Ganoid Leptoid scales come in two forms: cycloid and ctenoid . —Fish scale [Similar quotes, lyrics] bodies are covered in ctenoid scales, with the exception of the their scales periodically, snakes shed their skin in a single piece.

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The finescale dace has what are called ctenoid scales, called this because of the cteni that run along the posterior area of the fish.

What are synonyms for ctenoid? Fish such as bass, perch and snappers have ctenoid scales (their skin is rough to the touch) and cycloid scales can be found on fish such as carp, salmon, herring and sardines. Giga-fren In sturgeons, the scales are greatly enlarged into armour plates along the sides and back, while in the bowfin the scales are greatly reduced in thickness to resemble cycloid scales (see above). 2 dagar sedan · Ctenoid scales resemble cycloid scales but have comblike teeth on their overlapping edge. Ctenoid scales are similar to cycloid, except that they have spines or comblike teeth along their free edges; these scales are characteristic of the higher bony fishes—perches and sunfishes, for example.

PLACOID SCALES- found only in elasmobranch fishes. They have backwardly directed spines arising from a rounded basal plate embedded in dermis. Spines

The spiny posterior margin of ctenoid scales has a wide variety of morphologies. Cosmoid scales are similar to placoid scales and probably evolved from the fusion of placoid scales. They consist of two basal layers of bone, a layer of dentine-like … Ctenoid scale: lt;div class="hatnote"|>For other uses, see |Fish scale (disambiguation)|.| || The |skin| of most World Heritage Encyclopedia, the aggregation of Ctenoid scales can be further subdivided into three types: Crenate scales, where the margin of the scale bears indentations and projections.

Prepared and digital microscope slides for educational purposes are featured in Typical of cartilaginous fishes. Placoid scales are responsible for the rough feeling of dogfish skin. Ganoid Scales: See bioplastic mounts, slides, the plates WHAT DOES CTENOID MEAN IN ENGLISH? ctenoid. Fish scale.