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anatomy
test 2 integumentary system,
120
Anatomy
Undergraduate 1
09/12/2012

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Term
Yellow colorationof the eyeballs is to jaundice as a metallic bronze skin tone is to
Definition
addison disease
Term
the dermis has
Definition
2 layers
Term
the integument consists of
Definition
dermis
epidrmis
Term
which muscle attached to the hair follicles cause goose bumps
Definition
arrector pili
Term
the clear cell layer/stratum lucidum is found in the
Definition
thick layer of skin
Term
which of these types of cells is not typically found in the layer indicated
Definition
keratinocytes-dermis
Term
keratin protein is to "waterproofing" as melanin protein is to
Definition
skin color or pigmentaion
Term
the integumentary system is made up of
Definition
skin
hypodermis
accessory organs
Term
skin
Definition
cutaneous memebrane (made of epidermis & dermis)
Term
hypodermis
Definition
subcutaneous membrane layer
Term
accessory organs
Definition
sweat glands
hair and nails
Term
sweat glands
Definition
eccrine
apocrine
Term
eccrine
Definition
secretes mostly water with salt and urea
Term
apocrine
Definition
secretions made of water, salt, urea, Proteins, Lipids
Term
skin protection
Definition
barrier against infection, acid, and base burns, chemicals ets
Term
skin temp regulation
Definition
sweat glands (mostly eccrine sweat glands)and vascular system
(goose bumps)
Term
skin sensory reception
Definition
nerve endings for pain and pressure
Term
skin vitamin D synthesis
Definition
interaction of sunlight and cholesterol need for Ca++(calcium)absorption by the intestine
Term
skin blood reservoir
Definition
large supply of blood can be used as source for water and minerals
Term
skin excretions
Definition
sweat glands removing urea and other waste products
Term
hypodermis is located
Definition
below the dermis
Term
hypodermis is
Definition
subcutaneous layer with adipose tissue
collagen, elastic fibers, blood vessels, special nerves
Term
dermis is located
Definition
below the epidermis
Term
dermis is
Definition
made of dense irregular connective tissue, blood vessels, sweat glands, sebaceous glands
Term
papillary layer
Definition
(top) very thin dermal papillary form the fingerprints; increases the sense of touch
Term
reticular layer
Definition
made of irregular connective tissue
(making up most of the dermis)
Term
epidermis location
Definition
the outer most layer of skin
Term
epidermis is made up of
Definition
stratified squamous cells
avascular (have 5 layers)
Term
hypodermis function is to
Definition
bind the integument onto the underlying structures (muscle)and storage of energy
Term
lymph vessels
Definition
contain WBC's -immune system
Term
skin blood and nerve supply
Definition
highly vascular innervated
Term
skin fibers
Definition
collagen fibers everywhere along with Elastin tissue in the papillary layer
Term
skin cell types
Definition
large number of Fibroblas and mast Cells
Term
epidermis cells
Definition
Keratinocytes, melanocytes, langerhans, merkel
Term
epidermis keratinocytes
Definition
primary cell type
form keratin fibrils
Term
epidermis melanocytes
Definition
form pigment
melanin
Term
epidermis langerhans cells
Definition
macrophages
immune system
Term
epidermis merkel cells
Definition
nerve branching for "touch"
Term
layers of epidermis from
superficial to deep
Definition
stratum corneum
stratum lucidum
stratum granulosm
stratum spinosum
stratum basale
Term
stratum corneum
cornified layer
Definition
top layer
thick layer of dead squamous
Term
stratum lucidum
clear cell layer
Definition
under stratum corneum
found only in thick skin
no melanin
Term
stratum granulosm
grainy layer
Definition
under lucidum
thin layer
contain granules of melanin and glycolipids (waterproofing)
Term
stratum spinosum
spiny cell layer
Definition
under stratum granulosm
langerhan cells fight infection
shape of cell is caused by strong adhension junctions (spiny)
Term
stratum basale
basal
germinating
Definition
bottom layer
under stratum spinosum
rapis cell divison
specialized cells
merkel and melanocytes
Term
reticular layer is the
Definition
deepest skin layer, dense irregular connective tissue
Term
reticular layer is made up of
Definition
sense receptors
hair follicles
sweat glands
Term
reticular layer
sense receptores
Definition
pacinian corpuscle
(deep pressure)
Term
reticular layer
hair follicles
Definition
connected to a band of smooth muscle
(arector pili)
Term
reticular layer
sweat glands
Definition
sudoriferous glands
for thermal regulation
Term
papillary layer is
Definition
very uneven, upper layer
Term
papillary is made up of
Definition
dermal papillae
sense receptor
Term
dermal papillae
Definition
finger print ridges
Term
sense receptor
Definition
meissner's corpuscle
Term
skin pigmentation
pigment chemicals
Definition
melanin
carotene
hemoglobin
Term
pigment chemicals
melanin
Definition
produces a range of colors from pink-brown-black
produced by melanocytes
protects the nucleus(DNA)from UV radiation
Term
"flushed" skin may indicate
Definition
hypertension, fever, embarrassment
Term
"pale" skin may indicate
Definition
anemic
Term
"bluish" skin may indicate
Definition
low oxygen and high amounts of carbon dioxide. Cyanosis
Term
Pigment chemical
diseased state
Definition
jaundice
addison disease
Term
addison's disease
Definition
adrenal malfunction
"bronzing skin (JFK)
Term
hair is derived from
Definition
the epidermis but resides in the dermis
Term
structur of hair
Definition
shaft, bulb and root, concentric layers
Term
hair shaft
Definition
part of the hair above the surface of the scalp
(dead material=hair cells that are keratinized)
Term
hair bulb and root
Definition
living part of the hair root, contains a small area of dermal papilla tissue which supplies the hair bulb with nutrients
Term
concentric layers
Definition
cuticle (outermost), cortex, medulla
Term
the follicle is made up of
Definition
bulb, follicle walls, arrector pili muscles
Term
the follicle bulb is made up of
Definition
papilla, root plexus, matrix
Term
papilla
Definition
contains blood vessels and provides nutrients
Term
root plexus
Definition
nerve ending
Term
matrix
Definition
layer of mitoticcells surrounding the dermal papilla
Term
follicle walls are made up of
Definition
connective sheath
epithelial sheath
Term
connective sheath
Definition
makes up the outer layer of the hair follicle
Term
epithelial sheath
Definition
makes up the inner layer of the hair follicle
Term
arrector pili muscles
Definition
a bundle of smooth muscle
which raises the hair in response to fear
cool surface temperatures as a protection mechanism
Term
terminal hair
Definition
coarser, longer, darker
(axillary, pubic, male=face,chest,arms,and legs
Term
sense receptor
Definition
meissner's corpuscle
Term
dermal papillae
Definition
fingerprint ridges
Term
pigment chemicals
Definition
melanin
carotene
hemoglobin
Term
melanin
Definition
produces a range of colors from
pink, brown, black
Term
melanin is produced by
Definition
melanocytes
Term
melanin protects the
Definition
nucleus (DNA) from UV raditation
Term
everyone has about the same
Definition
number of melanocytes per sq inch of skin
Term
every melanocyte produces
Definition
about the same number of melanin molecules per day
Term
how melanin is distributed in the cell and how long it remains stable
Definition
is what produces the range of skin colors
Term
carotene
Definition
yellow (yellow-orange)pigment
Term
carotene is present in the
Definition
Stratum Corneum and Adipose tissue
Term
hemoglobin
Definition
protein found in blood
Term
hemoglobin gives
Definition
the skin a pinkish color
Term
pigment chemicals
diseased state
Definition
Jaundice
Addison Disease
Term
Jaundice
Definition
liver malfunction
Term
hair
Definition
derived from the epidermis but resides in the dermis
Term
structure of hair
Definition
shaft
bulb and root
concentric layers
Term
shaft
Definition
part of hair above the surface of the scalp (dead material=hair cells that are keratinized)
Term
bulb and root
Definition
living part of the hair root contains a small area of dermal papilla tissue which supplies the hair bulb with nutrients
Term
concentric layers
Definition
cuticle (outermost)
cortex
medulla
Term
follicle
Definition
bulb
follicle walls
arrector pili muscles
Term
bulb
Definition
papilla
root plexus
matrix
Term
follicle walls
Definition
connective sheath
epithelial sheath
Term
arrector pili muscles
Definition
a bundle of smooth muscle, which raises the hair in response to fear, coll surface temps as a protection mechanism (goose bumps)
Term
papilla
Definition
contains clood vessels and provides nutrients
Term
hair color
Definition
melanin, hemosiderin, (yello, rust, brown, black)
trichosiderin (red)
Term
hair shape
cross section of shaft
Definition
-ribbon like=kinky
-oval=silky and wavy
-round=straight and tends to be course
Term
growth rates
Definition
influenced by nutrition and hormones
2.5mm per week
excess androgens result in increased hair growth(female beard)
Term
balness or Alopecia
Definition
hair loss
causes-protein deficient diets, antidepressants, blood thinners, chemotherapy, acutely high fever, severe emotiona trauma, excessive vitamin A
Term
male pattern
Definition
is caused by genetics
Term
nails development
Definition
as a scalelike modification of the hair
Term
nails function
Definition
help pick up objects, to scratch an itch
Term
sudoriferous glands (sweat glands)
Definition
eccrine
sebaceous
apocrine
mammary
ceruminous
Term
eccrine
Definition
-found all over the body
-secretion is mostly water salt and urea
-major role as a thermo-regulator for the body
-ducts empty directly onto skin
Term
sebaceous (oily substance)
Definition
(oily)sunstance
Term
apocrine
Definition
-found in axillary and genital area
-secretion contains water, salt, urea and proteins and lipids(butrients for bacterial)
-ducts empty into hair follicles
Term
mammary
Definition
specialized sweat glands
secrete milk (look for CA++)
Term
ceruminous
Definition
modified apocrine glands located in the lining of the external ear canal
(earwax)
Term
the rule of nines
Definition
a way to estimate the volume of fluid lost by computing the pecentage of body surface burned
Term
first degree
Definition
only the epidermis is damaged
swelling and pain
heal in 2-3 days
Term
second degree
Definition
epidermis and the dermis effected
blisters
healing 3-4 weeks
Term
third degree
Definition
involve the entire thickness of skin
-appears blanced, cherry red, blackened,
-nerve endings have been destroyed
-skin graft
Term
basal cell carcinoma
Definition
-least malinant
-most common
-usually full cure in 99% of cases
Term
squamous cell carcinoma
Definition
-if caught early with radiation complete cure is good
-tends to grow rapidly and metastasize
-arises from the keratinocytes of the stratum spinosum
Term
melanoma
Definition
-most dangerous
-is the cancer of melanocytes
-survival rate is 50% with early detection
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