Integumentary/epidermis Flashcards
What is mitotic diving cells that gives rise to keratinocytes?
Stem cells
What synthesis the pigment melanin and shields DNA of cells from UV radiation
Melanocytes
What cell touches receptors
Merkel (tactile) cells
What synthesize keratin
Keratinocytes
What macrophages which cause phagocytosis of harmful pathogens or toxins
Dendritic (langerhans) cells
What is flat and has dead keratinoctyes that are continuously shed and replaced
Stratum corneum
What is present in thick skin only and no nucleus or organelles
Stratum lacidum
What marks transition to inactive/dead and has keratin and lamellar granules
Stratum granulosum
What is keratinocytes and few dendritic
Stratum spinosum
What location and the function of thick skin
Locations: palms and soles, finger and toes
Function: has sweat glands but no hair follicles or sebaceous oil glands and epidermis is thinker
What is the location and function is the thin skin
Location: cover the rest of the body
Function: possesses hair follicles, sebaceous glands and sweat glands
