Flashcards
Sem título
Flashcards do conjunto (9)
- 1Stratum Corneum (very top level)20-30 layers of dead cells, essentially flat membrane sacs filled with keratin, glycolipids in extracellular space
- 2stratum granulosumtypically 1-5 layers of flattened cells, organelles deteriorating; cytoplasm full of lamellar granules and keratohyaline
- 3stratum spinosumseveral layers of keratinocytes unified by desmosomes. cells contain thick bundles of intermediate filaments made of pre-keratin
- 4stratum basaledeepest epidermal layer, one row of actively mitotic stem cells; some newly formed cells become part of the more superficial layers.
- 5four distinct cells found in epidermiskeratinocytes- produce keratin
melanocytes- secrete melanin
langerhans-prevent infection
merkel cells- sensory receptors - 6two regions of the dermispapillary and reticular
- 7tactile corpusclelocated below epidermis, in the dermis. respond to touch, light pressure
- 8lamellar corpusclein the dermis, respond to deep pressure
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- FlashCards sobre Sem título, criado por xogina12xo em 21-10-2015.
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- xogina12xo
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