BSC2085 Test 2 – Questions With Correct Solutions
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Terms in this set (281)
what is the largest system the integument
of the body
what two parts make up the cutaneous membrane (skin) and accessory structures
integument
what two components does outer epidermis and inner dermis
the cutaneous membrane
consist of
what is the outer epidermis superficial epithelium
what is the innder dermis connective tissue
where do accessory in the dermis
structures originate
what do accessory hair nails multicellular exocrine glands
structures include
what is the integumentary cardiovascular system and nervous system
system connected to
whats the cardiovascular the blood vessels in the dermis
system in relation to the
skin
what is the nervous system the sensory receptors for pain touch and temp
in relation to the skin
superficial fascia or subcutanous layer
not part of integument
what is the hypodermis
beow dermis, loose connective tissue
the location of hypodermic injections
,what seperates the loose connective tissue
integument from deep
fascia
protection of underlying tissues and organs
excretion of salts water and organic wastes (glands)
what are the five main maintinance of body temp (insulation and evaporation)
functions of the skin production of melanin keratin vitamin d3 and storage of
lipids
detection of touch pressure pain and temp
the epidermis is composed stratified squamous
of what kinds of cells
avascular
nutrients and oxygen diffuse from capillaries in the
what are other
dermis
charateristics of the
dominated by keratinocytes (most abundant type of
epidermis
epithelial cells)
contain large amounts of keratin protein
what covers most of our thin skin
body and has four layers of
keratinocytes
what covers palms of the thick skin
hand and soles of the feet
and has 5 layers
what are the 5 strata of stratum basal, spinosum, granulosum, lucidum, corneum
keratinocytes in think skin
from inferior to superior
how is the stratum basale by hemidesmosomes
attached to the basement
membrane
what is the basis of finger epidermal ridges
prints
increase area of basement membrane and strengthen
what do dermal papillae do
attachment between epidermis and dermis
what are merkel cells and found in hairless skin and they respond to touch (trigger
where are they found nervous system)
contain pigment melanin
what are melanocytes
scattered throughout the stratum basale
, which layer is the spiny stratum spinosum
layer
what is produced by the stratum spinosum
division of the stratum
basale
the cells shrink until cytoskeletons stick out
why is the spinosum spiny
continue to divide increasing thickness of epithelium
what layer is active in spinosum
immune response because
of presense of lagerhans
cells
which layer is the grainy granulosum
layer in which cells stop
dividing and start
producing keratin
what is keratin tough fibrous protein that makes up hair and nails
dense granules
cross link keratin fibers
cells of keratohyalin produce protein fibers, dehydrate
what is keratohyalin
and die
create tightly interlocked layer of keratin surrouned by
keratohyalin
what is the clear layer that strat lucidum
is found only in thick skin
that covers the S
granulosum
how are the cells in the flattened, densely packed with keratin and no
strat lucidum arranged organelles
which is the horn layer strat corneum
Save
Terms in this set (281)
what is the largest system the integument
of the body
what two parts make up the cutaneous membrane (skin) and accessory structures
integument
what two components does outer epidermis and inner dermis
the cutaneous membrane
consist of
what is the outer epidermis superficial epithelium
what is the innder dermis connective tissue
where do accessory in the dermis
structures originate
what do accessory hair nails multicellular exocrine glands
structures include
what is the integumentary cardiovascular system and nervous system
system connected to
whats the cardiovascular the blood vessels in the dermis
system in relation to the
skin
what is the nervous system the sensory receptors for pain touch and temp
in relation to the skin
superficial fascia or subcutanous layer
not part of integument
what is the hypodermis
beow dermis, loose connective tissue
the location of hypodermic injections
,what seperates the loose connective tissue
integument from deep
fascia
protection of underlying tissues and organs
excretion of salts water and organic wastes (glands)
what are the five main maintinance of body temp (insulation and evaporation)
functions of the skin production of melanin keratin vitamin d3 and storage of
lipids
detection of touch pressure pain and temp
the epidermis is composed stratified squamous
of what kinds of cells
avascular
nutrients and oxygen diffuse from capillaries in the
what are other
dermis
charateristics of the
dominated by keratinocytes (most abundant type of
epidermis
epithelial cells)
contain large amounts of keratin protein
what covers most of our thin skin
body and has four layers of
keratinocytes
what covers palms of the thick skin
hand and soles of the feet
and has 5 layers
what are the 5 strata of stratum basal, spinosum, granulosum, lucidum, corneum
keratinocytes in think skin
from inferior to superior
how is the stratum basale by hemidesmosomes
attached to the basement
membrane
what is the basis of finger epidermal ridges
prints
increase area of basement membrane and strengthen
what do dermal papillae do
attachment between epidermis and dermis
what are merkel cells and found in hairless skin and they respond to touch (trigger
where are they found nervous system)
contain pigment melanin
what are melanocytes
scattered throughout the stratum basale
, which layer is the spiny stratum spinosum
layer
what is produced by the stratum spinosum
division of the stratum
basale
the cells shrink until cytoskeletons stick out
why is the spinosum spiny
continue to divide increasing thickness of epithelium
what layer is active in spinosum
immune response because
of presense of lagerhans
cells
which layer is the grainy granulosum
layer in which cells stop
dividing and start
producing keratin
what is keratin tough fibrous protein that makes up hair and nails
dense granules
cross link keratin fibers
cells of keratohyalin produce protein fibers, dehydrate
what is keratohyalin
and die
create tightly interlocked layer of keratin surrouned by
keratohyalin
what is the clear layer that strat lucidum
is found only in thick skin
that covers the S
granulosum
how are the cells in the flattened, densely packed with keratin and no
strat lucidum arranged organelles
which is the horn layer strat corneum
