integumentary.txt

what is in stratum basale
- keratinocytes
- melanocytes
- tactile cells - touch
what is in stratum spinosum?
- keratinocytes attatched by desmosomes
- epidermal dendritic cells
what is in stratum granulosum?
- 3-5 layers of keratinocytes
- nucleus and organelles start breaking up
what is in stratum lucidum?
- 2-3 layers of flat translucent cells
- only in thick skin
what is in the stratum corneum?
- most superficial
- 20-30 corneocytes
- dead skin cells
what is in the papillary layer?
- areolar CT
- dermal papillae interlock with epidermis
- contains sense receptors
what is in the reticular layer?
- dense irregular CT
- very vasculer
- highly innervated
what are the sensory receptors?
- meissner's corpuscles
- pacinian corpuscles
- free nerve endings
what do the meisnner's corpuscles do?
- touch
- papillary region
what do the pacinian corpuscles do?
- pressure
- reticular region and h ypodermis
what do the free nerve endings do?
- temperature
- pain
- epidermis and dermis
what does the ceruminous secrete?
- cerumin (wax)
- in the ear
what does sudoriferous secrete?

sweat

Author

Johnemt

234412

Card Set

integumentary.txt

Description

integ

Updated

2013-09-12T05:30:03Z

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