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Possible pattern variations of micro‐ornamentation in different areas of the skin in the gecko Lygodactylus have been analyzed by scanning and transmission electron microscopy. A map of micro‐ornamentation present in various areas of the skin has been obtained. Differences in micro‐ornamentation pattern and sensory organ distribution were detected. The “spinulated pattern” consists of shorter spinulae...
The present account offers a generalized view of the evolution of process of terminal differentiation in keratinocytes of the epidermis in anamniotes, indicated as keratinization, into a further differentiating process of cornification in the skin and appendages of terrestrial vertebrates. Keratinization indicates the prevalent accumulation of intermediate filaments of keratins (IFKs) and is present...