• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/26

Click to flip

26 Cards in this Set

  • Front
  • Back
skin function (4)
protection - sense - vitamin D w/UV - temp regulation
skin regulates body temperature by ____ or ____ of blood vessels and ____ glands
dilation - constriction - sweat
3 regions of the skin
epidermis - dermis - hypodermis
epidermis description (2)
avascular - protect outer epithelial layer
dermis description (3)
vascular - tough fibrous CT layer - largest region of skin
hypodermis (subcutaneous) is ____ to the dermis, has ____ & ____ CT & anchors the____
deep - adipose - areolar - skin
epidermis have what tissue type
keratinized, stratified squamous ET
epidermis has ____ layers in thick skin. Regular skin has ____.
five - 4
deepest layer - attached to dermis - 1 layer of cuboidal keratinocytes - mitotic layer - contain melanocytes - contains merkel discs
stratum basale (germinativum)
melanocytes function
produce the pigments melanin
merkel's disc detect ____ & have ____ nerve endings
pressure - sensory
several layers of keratinocytes - scattered melanin granules - langerhan cells = macrophages
stratum spinosum
thin region of dark stained cells - flat cells keratohyaline granules - cells above are dead
stratum granulosum
thin, translucent layer of dead keratinocytes present in thick skin
stratum lucidum
outer loose layer of dead flaky cells - protects skin from abrasion + penetration
stratum corneum
keratinocytes description (3)
most numerous cell type - produce protein keratin - replaced every 25-45 days
keratin is used for ____ & ____
waterproofing and protection
what is a thick flexible CT layer, rich in nerve fibers & very vascular
the dermis
2 major layers of the dermis
papillary - reticular
papillary layer description (3)
loosely woven - highly vascular - larger dermal folds form ridges for fingerprints
papillary layer contains (3)
dermal papillae - meissners corpuscles - free nerve endings
meissners corpuscles detect
touch
free nerve endings detect
pain
reticular layer makes up ____% of dermis
eighty
reticular layer description (2)
dense irregular CT - rich in collagen
reticular layer contains (4)
hair follicles - sebaceous glands - blood vessels + nerves - pacinian corpuscles in deep regions