the cell, cell membrane, and tissues
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27 Terms
epithelial tissues
covers organs, forms the inner linings of body cavities, and lines hollow organs
simple squamous
single layer of thin, flattened cells
simple cuboidal cells
single layer of cube-shaped cells
simple columnar
single layer of cells that are longer than wide
pseudostratified columnar
appear to be stratified but are not
stratified squamous
layers of thin, flattened cells
stratified cuboidal
layers of cube-shaped cells
stratified columnar
top layer is composed of columnar cells, while the lower layers are cuboidal cells
transitional
layers or irregular shaped cells
glandular
cells that are specialized to produce and secrete substances
basement layer
anchors dermis to epidermis and separates them
keratinocytes
makes up 90% of epidermis
melanocytes
produce melanin - pigment that contributes to skin color and absorbs UV light
langerhans
involved in immune response
tactile epithelial cells
has a tactile disk (involved in sensory detection of touch)
malignant melanoma
most aggressive form, can kill within months
basal cell carcinoma
most common, UV damage to DNA in basal cells in the epidermis
squamous cell carcinoma
second most common, abnormal accelerated growth of squamous cells
rule of nines
divides the body into 11 areas, each accounting for 9% of the total body area
this determines the extent of a burn on the the total body surface area
apocrine gland
becomes active during puberty and is found in the axillary and anogenital regions
sebaceous gland
secretes oil into hair and skin
matrix
portion of hair responsible for growth
sebum
substance produced by sebaceous glands that are attached to hair follicles
endocrine glands
secrete hormones directly into your bloodstream or cells
exocrine glands
secrete juices into tubes or ducts
ground substance
the main, watery, rubbery, unstructured material that fills in the spaces between cells
eccrine glands
are more abundant and found in palms, forehead, and the soles of your feet
Note 
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