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Melanosomes are dependent for their pigment on certain enzymes, especially tyrosinase, that synthesise the large polymers of melanin within the cell. Before it generates sufficient pigment to be seen on light microscopy it is known as a pre-melanosome.
Recently, the gene responsible for the melanophore-specific golden zebrafish strain, Slc24a5, was shown to have a human equivalent that strongly correlates with skin colour. [ 37 ] Chromatophores are also used as a biomarker of blindness in cold-blooded species, as animals with certain visual defects fail to background adapt to light ...
Pages for logged out editors learn more. Contributions; Talk; Melanophore
The melanocyte-stimulating hormones, known collectively as MSH, also known as melanotropins or intermedins, are a family of peptide hormones and neuropeptides consisting of α-melanocyte-stimulating hormone (α-MSH), β-melanocyte-stimulating hormone (β-MSH), and γ-melanocyte-stimulating hormone (γ-MSH) that are produced by cells in the pars intermedia of the anterior lobe of the pituitary ...
The pigment comes from a specific cell called a melanophore, which produce the compound melanin. [27] [28] There are four other subspecies of this salamander, [29] and they have varying levels of melanin pigmentation. [28] [30] [31] The subspecies have yellow spots in different concentrations or proportions.
Close-up of fish melanophores. Fish coloration is produced through specialized cells called chromatophores. The dermal chromatophore is a basic color unit in amphibians, reptiles, and fish which has three cell layers: "the xanthophore (contains carotenoid and pteridine pigments), the iridophore (reflects color structurally), and the melanophore (contains melanin)". [5]
Meaning Origin language and etymology Example(s) bacillus: rod-shaped Latin baculus, stick Bacillus anthracis: bacteri-Pertaining to bacteria: Latin bacterium; Greek βακτήριον (baktḗrion), small staff bacteriophage, bactericide: balan-of the glans penis or glans clitoridis: Greek βάλανος (bálanos), acorn, glans balanitis: bas-
melanophore A cell (chromatophore) containing melanin or other black pigment. mesocoracoid A bone of the pectoral arch or shoulder girdle. mesopelagic Refers to the region of the open ocean between 200 m and 1000 m in depth. mesopelagic fishes Fishes that live in the mesopelagic zone. midwater