Keratin - Law Dictionary Search Results
Home Dictionary Name: keratinkeratin
A sulfur containing fibrous protein constituting the main structural protein of hard epidermal tissues such as horn hair feathers nails claws hoofs 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 leucine and tyrosine plus various other acid stable amino acids The amino acid composition varies but it usually has a high percentage of cystine which stabilizes and insolubilizes the protein by forming intrachain linkages A softer form of keratin is present in the epidermis and whalebone Called also epidermose...
Neurokeratin
A substance resembling keratin present in nerve tissue as in the sheath of the axis cylinder of medullated nerve fibers Like keratin it resists the action of most chemical agents and by decomposition with sulphuric acid yields leucin and tyrosin...
Epidermose
Keratin...
Epithelium
The superficial layer of cells lining the alimentary canal and all its appendages all glands and their ducts blood vessels and lymphatics serous cavities etc It often includes the epidermis i e keratin producing epithelial cells and it is sometimes restricted to the alimentary canal the glands and their appendages the term endothelium being applied to the lining membrane of the blood vessels lymphatics and serous cavities...
Lanolin
A peculiar fatlike body made up of cholesterin and certain fatty acids found in feathers hair wool and keratin tissues generally...
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