The Integumentary System + The Skin Flashcards
The functions of the skin include:
Preventing entry of microorganisms
Reducing water loss
Regulating Body temp (sweat, vasodilation, increase SA = too hot) (erector pili = too COLD)
Metabolic action of the skin includes:
Production of vitamin D
Epidermis is formed by Embryonic Ectoderm.
True or false
TRUE
Within the skin STRATUM BASALE separates the … and the …
Epidermis and dermis
The protective layer of cells of the OUTER epidermis is called the
Stratum CORNuem
Which layer of epidermis has cuboidal or columnar cells?
STRATUM BASALE
Adipose Tissue is most aduna the in the… layer UNDER the skin
Subcutaneous!
Melanocytes lie within the … of the skin
STRATUM BASALE and upper dermis
Hairs arise from which layer of the skin?
STRATUM BASALE of the Epidermis
Which response of the body REDUCES body temperature?
Sweating!
Merkel Cells of Epidermis are receptor cells for
Light touch!
What is one IMPORTANT FUNCTION for melanin?
Absorb harmful radiation (UV)
Where are the nerve receptors for pressure + pain located?
In dermis
The Epidermal ridges or fingerprints are caused by the…
Dermal Papillae
The strength of the dermis is mainly due to…
The presence of Collagen Fibres!
