Introduction
This layer of the skin is avascular (no blood vessels).
What is the epidermis?
This layer contains stem cells for cell division, Merkel cells and melanocytes
What is the stratum basale?
Sebaceous glands produce ________ through hair follicles.
What is sebum (oil)?
Hair follicles are found in this skin layer.
What is the dermis?
This protein found throughout the epidermis gives the epidermis its protective properties.
What is keratin?
Blood vessels, collagen, elastin, and keratin----one of these is NOT associated with the dermis.
What is keratin?
This sensory nerve detects light touch in the DERMAL layer
What is Meissner corpuscles?
This accessory feature creates goosebumps to erect hairs.
What is the arrector pili?
protection, cushioning, regulation and sensation -- Which of these is NOT an integ. system function?
What is cushioning?
These cells in the stratum spinosum are key activators of the immune system.
What are Langerhans (dendritic) cells?
These sweat glands are important for body temperature regulation.
What are eccrine glands?
These are the 3 sections of a hair strand.
What are Bulb, Root & Shaft?
This tissue is responsible for making up the epidermis
What is epithelial -- stratified squamous?
This layer is marked by continual sloughing (shedding) of dead keratinocytes.
What is the stratum corneum?
This gland produces thick, oily sweat and is found attached to hair follicles.
What is apocrine?
This is another term for the cuticle
What is eponychium?
This skin layer makes up palms & heels and contains a wide stratum corneum.
What is thick skin?
This layer is only found in thick skin.
What is the stratum lucidum?
This portion of the dermis is responsible for our fingerprints.
What are dermal papillae?
Sebaceous, apocrine, eccrine and hair follicles -- one of these CAN be found on thick sin (heels, fingers, palms).
What is eccrine?
This is the hardened section of dead, compacted keratinocyte cells on the nail.
What is the nail plate?