anaphy lock in skin part 1

cutaneous membrane

skin, outermost protective skin

mucous membrane

moist membranes, lines all body cavities that open to the exterior body surfaces

serous membrane

lines open body cavities, lines hearts and lungs

synovial membrane

lines fibrous capsules surrounding joints, the lube

epidermis

outer layer of the skin, capable of being hard and tough, avascular, composed of 5 layers

keratinocytes

the most common cell in the epidermis

stratum basale

deepest layer of epidermis, lies next to dermis

stratum spinosum

cells becoming flatter , next to stratum basale , pre keratin

stratum granulosum

organelles are deterioating ,but after stratum spinosum

stratum lucidum

formed from dead cells of the deeper strata

stratum corneum

outermost layer of epidermis

melanin

pigment produced by melanocytes

papillary layer

This is the thin, upper layer of the dermis, composed of loose connective tissue (areolar).

reticular layer

This is the thick, lower layer that constitutes about 80% of the dermis's thickness.