keratinisation$543063$ - definitie. Wat is keratinisation$543063$
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Wat (wie) is keratinisation$543063$ - definitie

ONE OF A FAMILY OF FIBROUS STRUCTURAL PROTEINS; PROTEIN THAT PROTECTS EPITHELIAL CELLS FROM DAMAGE OR STRESS
Ceratin; Keratin wax; Keratine; Keratinization; Keratinized; Keratinisation; Neurokeratin; Keratins; Kereton; Keretin; Keratinous; Cornification; Hornification; Kerotin; Keratinopathy; Keratinous tissue; Cornified; Nonkeratinizing; Vaginal cornification
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  • Keratin (high molecular weight) in [[bile duct]] cell and oval cells of [[horse]] [[liver]].
  • Microscopy of keratin filaments inside cells
  • horns]] of the [[impala]] are made of keratin covering a core of [[bone]].

keratin         
['k?r?t?n]
¦ noun any of a group of fibrous proteins forming the main structural constituent of hair, nails, feathers, hoofs, claws, and horns.
Derivatives
keratinous adjective
Origin
C19: from Gk keras, kerat- 'horn' + -in1.
Keratin         
Keratin (OED 2nd edition, 1989 as Entry "keratin" in Merriam-Webster Online Dictionary.) is one of a family of structural fibrous proteins also known as scleroproteins.
Keratin         
·noun A nitrogenous substance, or mixture of substances, containing sulphur in a loose state of combination, and forming the chemical basis of epidermal tissues, such as horn, hair, feathers, and the like. It is an insoluble substance, and, unlike elastin, is not dissolved even by gastric or pancreatic juice. By decomposition with sulphuric acid it yields leucin and tyrosin, as does albumin. Called also epidermose.

Wikipedia

Keratin

Keratin () is one of a family of structural fibrous proteins also known as scleroproteins. Alpha-keratin (α-keratin) is a type of keratin found in vertebrates. It is the key structural material making up scales, hair, nails, feathers, horns, claws, hooves, and the outer layer of skin among vertebrates. Keratin also protects epithelial cells from damage or stress. Keratin is extremely insoluble in water and organic solvents. Keratin monomers assemble into bundles to form intermediate filaments, which are tough and form strong unmineralized epidermal appendages found in reptiles, birds, amphibians, and mammals. Excessive keratinization participate in fortification of certain tissues such as in horns of cattle and rhinos, and armadillos' osteoderm. The only other biological matter known to approximate the toughness of keratinized tissue is chitin. Keratin comes in two types, the primitive, softer forms found in all vertebrates and harder, derived forms found only among sauropsids (reptiles and birds).

Spider silk is classified as keratin, although production of the protein may have evolved independently of the process in vertebrates.