Richard Adeleke, Ayodeji Emmanuel Iyanda
Transport fare and road traffic crashes in Nigeria: insights from a geographical analysis
International journal of injury control and safety promotion
colorful shell bivalve mainly biological pigments melanin plays important role shell color formation studies focus genes function involved melanin synthesis relatively studies address biochemical character ultrastructure melanin bivalve microscopic perspective investigated histological structure mantle crassostrea gigas orange shell color distribution melanin mantle verified histochemical staining addition immunofluorescence technique showed strongly positive signal cgtyr specific mantle margin consistence location brown granules staining result elementary composition melanin displayed metal ca fe zn detected using scanning transmission electron microscope energy dispersive spectroscopy mapping methods next based tem observations speculated series cellular events leading formation release melanin melanocyte primary stage showed many mitochondria rough endoplasmic reticulum well extensive golgi complex numerous vesicles intermingled melanosome subsequently melanosome expended hue gradually intensified golgi complex mitochondria still observed cytoplasm finally melanosome discharged intercellular spaces disintegration membranes cells severe cellular vacuolization data enrich understanding ultrastructural characteristic formation melanin mantle bivalve pave way investigating shell coloration cellular level