The layers of the Epidermis from most superficial to deepest
Straitum Lucidium (only in thick skin)
Stratum Basel(Basment layer)
What is another name for the skin?
Which of the following is not an accessory of the skin?Hair,Nails,Various glands,Muscles,nerves,merkel disc.
Merkel Disc are not part of the skin.
The functions of the skin are tempature regulation,water repellent,barrier to the external enviornment,sensory information,synathesis of Vitaman D and it protects underlying tissue from....
name the layers of the skin in order
EPIdermis(note epi means above,top)
dermis,hypodermis(note: hypo means below)
The hypodermis is
the layer underneath the dermis,layer of adipose tissue, anchors to the dermis.
Thin skin covers all parts of the body except for ?
palms of hands and soles of feet
thick skin lacks
hair an sebacous glands
The Epidermis is _______skin
The _______muscle when contracted causes what to stand on end
Where is the Arrector pilli muscle present?
It is present in thin skin
Sudorrirferous Glands are more numerous in the________skin
The sudorriferous glands are_______glands
Sebecous gland secrerte....
There are four principal types of cells in the epidermis, three of them are (no specific order
and what is the other kind?
The cell that is most numerous and is arranged in 4-5 layers produces keratin
These glands work as waterproof sealents
Pigment that blocks UV radiation is known as
All people produce the same amount of melanin, so why are some people darker skinned than others?
Because their body produces it at a faster pace
This cell praticipates in immunity and is a small fraction of the epidermal cells
Single row of cuboital or coloumnar keratinocytes some of which are stem cells
Stratum spinosum contains how many layers of tightly packed and many sided keratinocytes
The stratum lucidium contains
3-5 layers of clear flat and dead keratinocytes
The stratum Corneum contains how many layers of dead flat keratinocytes
The dermis has 3 types of cells they are
fibroblast macrophages and adipocytes
Between fibers of the reticular region are....
hair follicles,sebaceous glands(also known as oil glands),nerves, and suderiferous glands(sweat glands)
Straight lines or loops caused by epidermis projecting into the dermis
Melanin carotene hemoglobin
are the 3 main pigment producing molecules
with out _____and carotine skin appears translusent
Blond hair and red hair have melanin vareints with more iron and
Hiar that has no bubbles or melanin will be
The main function of the eccerine glands is
thermoregulation or( tempature reguation)
Deep wound healing occurs in four phases they are
In which phase of deep wound healing does a blood clot form loosely uniting wound edges
in which phase of deep wound healing does the clot dry into a scab?
In this phase of deep wound healing the scab come off
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