pigment cells

Integumentary System (Skin and its derivatives)

Introduction The common structural pattern of both aquatic & terrestrial vertebrates of integument is… Epidermis  Derived from Ectoderm Stratified i.e. consists of multi-layers of cells Dermis Derived mainly from mesoderm Formed of connective tissue Contain blood & lymph vessels, nerve & smooth muscle fibres, receptors and also special irregular pigment cells (chromatophores) Below dermis, subcutaneous […]

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