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- Margin toothed ctenoid scaleCtenoid refers to having the margin toothed ctenoid scale or consisting of ctenoid scales1. Ctenoid scales have a spiny posterior margin that resembles a comb, hence the name ctenoid, which comes from the Greek word cteno meaning comb2. Many authors feel that lumping all scales with a spiny posterior margin under the term 'ctenoid' is an oversimplification2.Learn more:âś•This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.
Definition of ctenoid. : having the margin toothed ctenoid scale also : having or consisting of ctenoid scales ctenoid fishes.
www.merriam-webster.com/dictionary/ctenoidCtenoid 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.
australian.museum/learn/animals/fishes/cycloid-an… Fish scale - Wikipedia
Leptoid (bony-ridge) scales are found on higher-order bony fish, the teleosts (the more derived clade of ray-finned fishes). The outer part of these scales fan out with bony ridges while the inner part is criss-crossed with fibrous connective tissue. Leptoid scales are thinner and more translucent than other types of scales, and lack the hardened enamel-like or dentine layers. Unlike ganoid sc…
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 8 mins
Cycloid and Ctenoid Scales - The Australian Museum
WEBLearn about the types and features of cycloid and ctenoid scales, which are found in most bony fishes. Cycloid scales are smooth, while ctenoid scales have spiny margins or ctenii.
Ctenoid scales – Fishionary - Fisheries
WEBJun 6, 2014 — Ctenoid scales are scales with comb-like edge found in higher order teleost fishes. Learn how they are formed, how they differ from other types of scales, and how they can be used to estimate fish age.
Ctenoid scale | anatomy | Britannica
WEBCtenoid 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 …
What Are The Different Types Of Fish Scales?
WEBOct 19, 2023 — Ctenoid scales are comb-like structures that cover the bodies of flounder and sunfish. They have teeth at the back and are similar to cycloid scales, but more firmly attached to the skin. Learn more about …
Ctenoid Fish Scales - National MagLab
WEBLearn about the structure and function of ctenoid fish scales, which are composed of calcium salts and collagen fibrils. See images of different types of ctenoid scales and how they are used to determine fish age.
Mechanical behavior of ctenoid scales: Joint-like structures …
WEBJul 1, 2019 — Ctenoid scales are elasmoid scales with spines in the posterior field, which protect and deform the fish body. This study reveals the presence of joint-like structures …
Ctenoid Fish Scale - National MagLab
WEBNov 13, 2015 — Learn about ctenoid scales, a comb-like structure found on most bony fishes, and how they can reveal the age of a fish. See images of ctenoid scales captured by differential interference contrast microscopy.
Scale features and terminology of a typical ctenoid …
WEBThese characteristics improve scale resistance to penetration, increase protection against mechanical injury and microbial infection, enhance scale flexibility, reduce fish weight (reduce...
Ctenoid Fish Scale | Olympus LS - Olympus Microscopy
WEBCtenoid scales are common to most varieties of bony fishes and feature a comb-like, spiny posterior edge. Their shape is the source of their name, which was derived from the Greek word cteno, meaning "comb."
Ctenoid Definition & Meaning - Merriam-Webster
WEBCtenoid means having the margin toothed or consisting of ctenoid scales. Learn the etymology, first known use, and examples of ctenoid in the context of ctenoid fishes and …
Fish Scales 101: Placoid, Ganoid & Other Types | Earth Life
WEBMar 15, 2020 — Elasmoid, Ctenoid and Cycloid Scales. The most common form of fish scale is the elasmoid scale. It is the thin plate that you find on most fishes. It is often described …
4 Types of Fish Scales and Why Fish Need Them - A-Z Animals
WEBApr 25, 2023 — Ctenoid scales are a type of fish scale that resemble comb-like teeth. They are found in bony fish families like perch, trout, and salmon. Learn how ctenoid scales …
The age and growth information of a ctenoid scale fossil from
WEBMay 3, 2024 — This paper presents a detailed morphological description and growth analysis of a fossil ctenoid scale obtained from the Upper Cretaceous Campanian lacustrine …
Ctenoid Fish Scales
WEBCtenoid scales are composed of two main regions, a surface layer having a hard shell resulting from crystallized calcium salts, and a deeper layer that is built with collagen …
Ctenoid scales. A: types of ctenoid scales; B: UOPB1037; C: …
WEBBased on a geometric morphometric approach on eight scales per specimen (covering different body regions), we quantify scale types and morphology across nearly all ~240 …
CTENOID Definition & Meaning - Dictionary.com
WEBCtenoid definition: comblike or pectinate; rough-edged.. See examples of CTENOID used in a sentence.
Scales of Fishes (With Diagram) | Vertebrates - Zoology
WEBScales of Fishes (With Diagram) | Vertebrates | Chordata | Zoology. In many vertebrates, the exoskeletal covering of body is made of two types of scales- epidermal and dermal. …
The age and growth information of a ctenoid scale fossil from the …
WEBMay 3, 2024 — This paper presents a detailed morphological description and growth analysis of a fossil ctenoid scale obtained from the Upper Cretaceous Campanian lacustrine …
Ctenoid Fish Scale - National MagLab
WEBNov 13, 2015 — Learn about ctenoid scales, a type of fish scale with comb-like structures that can be used to estimate fish age. See polarized light microscopy images of ctenoid …
THE ENCYCLOPÆDIA BRITANNICA - Project Gutenberg
WEBJul 7, 2012 — In other Teleostomes the scales are as a rule thin, rounded and overlapping—the so-called cycloid type (fig. 22, A); where the posterior edge shows …
Textonyms/wordlist - Rosetta Code
WEBSep 26, 2024 — Pages for logged out editors learn more. Contributions; Talk; Textonyms/wordlist
Ctenoid Fish Scales - National MagLab
WEBLearn about the structure and function of ctenoid fish scales, which have comb-like ctenii on their edges and grow in concentric rings. See high-magnification images of different …
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