Human Anatomy: Integumentary System 50 Questions with 100% Correct Answers | Verified | Latest Update
integumentary layers - ️️epidermis dermis hypodermis epidermis - ️️keratin stratified squamous epithelial tissue layers (stratum basale, spinosum, granulosum, corneum) stratum basale - ️️deepest- attached to dermis includes stem cells that are constantly undergoing mitosis stratum spinosum - ️️visible extensions of keratinocytes (attachment points) bundles of intermediate filaments made of pre-keratin stratum granulosum - ️️flattened keratinocytes that have keratohylin and lamellated granules keratohylin granules- keratin production lamellated granules- contain glycolipids (waterproofing) stratum lucidum - ️️only in thick skin flat dead keratinocytes stratum corneum - ️️external layer
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human anatomy integumentary system