Line cavities and openings that lead to the outside of the body.
Mucous membrane
Line body cavities that lack openings to the outside.
Serous membrane
Lines the surface of the body.
cutaneous membrane
Lines the joint cavities.
synovial membrane
Multiple layers of flattened dead cells.
Stratum corneum
Appears as a glassy layer in thick skin only
stratum lucidum
keratinocytes produce keratin and flatten
stratum granulosum
keratinocytes are bound together by desmosomes
stratum spinosum
Deepest layer where cells actively divide
stratum basale
hair follicle
Tactile corpuscle
Lamellar corpuscle
Secretes oily lipids that coats hair shafts and epidermis
Sebaceous gland
made up by the merocrine and apocrine glands.
Sweat gland
Produce thin secretions, mostly water. Important for thermal regulation
merocrine gland
Produce a complex viscous secretion that are strongly influenced by hormones. Limited distribution.
apocrine gland