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Isinglass (/ ˈ aɪ z ɪ ŋ ɡ l æ s,-ɡ l ɑː s / EYE-zing-gla(h)ss) is a form of collagen obtained from the dried swim bladders of fish. The English word origin is from the obsolete Dutch huizenblaas – huizen is a kind of sturgeon , and blaas is a bladder, [ 1 ] or German Hausenblase , meaning essentially the same. [ 2 ]
Collagen (type I) extracted from Blue sharks and an anti-seawater immersion Polyurethane film was deposited on a sponge to create a shark skin collagen sponge bandage. [38] The shark skin bandage shielded the wound from seawater for up to four hours after submersion and strongly promoted wound healing, compared to the gauze and chitosan ...
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.
Collagen is also abundant in corneas, blood vessels, the gut, intervertebral discs, and the dentin in teeth. [3] In muscle tissue, it serves as a major component of the endomysium. Collagen constitutes 1% to 2% of muscle tissue and 6% by weight of skeletal muscle. [4] The fibroblast is the most common cell creating collagen in animals.
The arapaima is torpedo-shaped, with large, blackish-green scales and red markings. It is streamlined and sleek, with its dorsal and anal fins set near its tail. Arapaima scales have a mineralised, hard, outer layer with a corrugated surface under which lie several layers of collagen fibres in a Bouligand-type arrangement.
The mineral texture of alligator gar scales consists of bundles of cross-plied hydroxyapatite minerals oriented towards the scale's surface. Ganoine or ganoin is a glassy, often multi-layered mineralized tissue that covers the scales , cranial bones and fin rays in some non-teleost ray-finned fishes , [ 1 ] such as gars and bichirs , as well as ...
The fish scales are notable, as the site is ~70 m above the nearest river. The fish scales and calcined bone were also found cemented into the burnt micro-particles, indicating that these tiny bones were not contaminants from packrat middens or raptor roosts. At the Hartley site, the concentrated biodiversity and different burning states of ...
However, the majority of zooarchaeology has focused on who was eating what by looking at various remains such as bones, teeth, and fish scales. [15] In the twenty-first century researchers have begun to interpret animals in prehistory in wider cultural and social patterns, focusing on how the animals have affected humans and possible animal ...