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18 Cards in this Set

  • Front
  • Back
Skin: is the _____ system of the body
largest
FUNCTIONS OF SKIN
-_____ you from _____, _____, and _____
-_____ _____
-_______ of salts, water, wastes
-_____ _____ needed to extract calcium
-_____ ______ (touch, pressure)
-protect from infection, desication, UV rays
-synthesizes vitamin D
-detects sensations
COMPONENTS OF SKIN
outer ____: _____ tissue

inner _____: _____ tissue
epidermis: epithelial

dermis: connective
TYPES OF EPIDERMIS
___ skin: covers ___ of the body
____ skin: covers the ____ and ____
thin: most of body

thick: palms and soles
DERMIS
source of ____ and _____ for the ______
blood and nutrients for epidermis
HYPODERMIS
___ a part of the skin
-____ to the dermis
not

deep
MAJOR CELLS TYPES OF EPIDERMIS
______: the most _____ cells
______: secrete the pigment ____
______ ____: ____-____ cells for immune response
Keratinocytes: most abundant

Melanocytes: melanin

Langerhans cells: antigen-presenting cells
BASAL LAYER
-contains the ___ ___ for keratinocytes
-this is where ____ occurs
-cells are _____ to a ____ ____
-stem cells

-mitosis

-attached to basement membrane
SPINY LAYER
-contains two ten layers of keratinocytes attached to each other by many ____ ____
-these connections look like _____
-adhering junctions

-spines
GRANULAR LAYER
-keratinocytes are producing significant amounts of _____
-they now take on a _____ appearance
-keratin

-granular
LUCID LAYER
-the _____ layer
-contains 1-5 layers of ____ ______
-clear

-dying keratinocytes
CORNIFIED LAYER
-contains 10-100s of ___ ___
-layers _____ __ here
-dead cells

-slough off
SKIN COLOR
depends on:
-the pigments _____
-_____
-_____
carotene

melanin

blood
ILLNESS AND SKIN COLOR
_____: buildup of bile
_____: reduction in blood flow
_____: loss of color
jaundice
cyanosis
vitiligo
HAIR FUNCTIONS:
-____ and _____
-associated with _____ receptors
-protects and insulates

-touch
NAILS AND NAIL PRODUCTION
-nails _____ fingers and toes
protect
EXOCRINE GLANDS
____ glands: ____ are merocrine glands
-found in both ___ and ___ skin
-_____ water and ions
apocrine glands: found in ____ regions
-______ apical portion of cell with water and ions
-associated with ___ ___
-activate at _____
sweat glands: most
-thick and thin skin
-secrete

-axillary
-secrete
-body odor
-puberty
EXOCRINE GLANDS(2)
______ glands:
-___ cell secreted
-associated with ___ skin only
-mainly associated with ___ _____
-begin to function at _____
-______ and protect the epidermis
Sebaceous
-whole cell secreted
-thin skin only
-hair follicles
-puberty
-lubricate