Cartilage - Wikipedia, the free encyclopedia
Cartilage is a stiff yet flexible connective tissue found in many areas in the bodies of humans and other animals, including the joints between bones, the rib cage, the ear, the nose, the elbow, the ...
en.wikipedia.org/wiki/Cartilage
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the jawed vertebrates include the extinct ,armored Placoderms, the cartilaginous fish, and the bony fish (including the tetrapods). ... Learn more about cartilaginous fish from the UCMP.
users.tamuk.edu/kfjab02/Biology/Vertebrate%20Zoology/b3... users.tamuk.edu/kfjab02/Biology/Vertebrate%20Zoology/b3405_ch07.htm
Cartilaginous joint - Wikipedia, the free encyclopedia
Cartilaginous joints are connected entirely by cartilage (fibrocartilage or hyaline). Cartilaginous joints allow more movement between bones than a fibrous joint but less than the highly mobile synov...
en.wikipedia.org/wiki/Cartilaginous_joint
Sharks, skates, rays, and even stranger fish make up the Chondrichthyes, or "cartilaginous fish." First appearing on Earth almost 450 million years ago, cartilaginous fish today include both fearsome predators and harmless mollusc-eaters (harmless, that is, unless you are a mollusc).
www.ucmp.berkeley.edu/vertebrates/basalfish/chondrintro... www.ucmp.berkeley.edu/vertebrates/basalfish/chondrintro.html
Cartilaginous fish such as sharks, skates, and rays are vertebrates whose internal skeleton is made entirely of cartilage and contains no ossified bone. Cartilaginous fish are also known as Chondrichthyes and have one or two dorsal fins, a caudal fin, an anal fin, and ventral fins which are supported by girdles of...
science.jrank.org/pages/1246/Cartilaginous-Fish.html science.jrank.org/pages/1246/Cartilaginous-Fish.html
"The skeletons of sharks, skates, and rays are composed of cartilage rather than bone. The 800 or so species primarily inhabit the marine realm, but a few venture into freshwater. Although they have a reputation ... In fact, sharks and their allies are extremely beneficial. Unfortunately, many species are under severe threat,
www.amnh.org/exhibitions/hall_tour/spectrum/17.html
The class Chondrichthyes is composed of 600 spp, divided in two subclasses: Elasmobranchii and Holocephali. Elasmobranchii is made up of the most common cartilaginous fish: rays and sharks. Elasmobranchii has 13 orders:
www.angelfire.com/mo2/animals1/fish/shark.html
Cartilaginous Fishes: Class Chondrichthyes - The most distinctive feature of this class is that their entire skeleton, including the skull, is cartilaginous without any true bone. The class include the sharks and rays, many of which are described here.
www.dmoz.org/Science/Biology/Flora_and_Fauna/Animalia/C... www.dmoz.org/Science/Biology/Flora_and_Fauna/Animalia/Chordata/Fish/Cartilaginous/
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