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Related Flashcards
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Cards In This Set
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Epidermis arises from....
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Ectoderm
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Dermis arises from....
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Dermatome epimere mesoderm
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Epidermis and dermis are linked by the...
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Basement membrane (composed of the basal lamina and the reticular lamina)
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Innermost layer of epidermis in all vertebrates
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Stratum germinativum
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Outermost layer in terrestrial vertebrates
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Stratum corneum
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Water-proof layer of dead keratinized epidermal cells
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Stratum corneum
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Keratin is not found in the epidermis of ...
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Fish
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Which taxa has a very thin stratum corneum?
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Amphibians
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Which taxa has a highly keratinized epidermis?
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Amniotes
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Keratinization provides protection against...
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Dessication
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Stratum corneum can thicken to produce...
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Epidermal scales
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Hoofs, nails, and claws are made of....
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Tightly compacted, cornified epithelial cells (produced by keratinization)
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True horns and antlers are only found in...
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Mammals
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True horns structure?
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Core of dermal bone covered by a sheath of keratin
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Hair is formed when ________ invaginates
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Epidermis
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