SENSE OF TOUCH ( SKIN )
University of Jambi (anatomy of the human body)
SKIN When it's cold or scared, hair muscleshrink and
hair becomes straight. Besidein the dermis
there is a fat pile that serves as a
cushionforprotect the insidebody from
mechanical damage.
CLASSIFICATION OF RECEPTORS IN
THE SKIN
Based on the source of stimulation:
Skin function 1. ekteroreceptors, on the surface of the
- synthesis of vitamin -Protection
D body
- produces an odor - prevent and responding to external stimuli
- and camouflage dehydration 2. Proprioceptors, responding to
-external stimuli
- temperature controller position changei
-stores fat
SKIN ARRANGEMENT 3. Interoreceptors, located on the
Skin consists ofouter layer called the viscera/
epidermisepidermis has no blood vessels and internal organs and blood vessels.
nerve cells. The epidermis is composed of four
layers of cells. From the inside to the outside Based on specific energy types or sensitivity to
certain modalities
o Firstisstratum germinativumserves to 1. Thermoreceptors(sensitive to
form a layer on top of it. changetemperature)
o Secondthat isstratum
granulosumwhich contains a small 2. Mechanoreceptors(sensitive to touch
amount of keratin that causes the skin and pressure)
to become hard and drylayer 3. Chemoreceptors(sensitive to chemical
granulosum generally produces black changes)
pigment(melanin). Melanin content
determines the degree of skin color, 4. Osmoreceptors(sensitive to changes in
blackness, or brownness. osmotic pressure)
o ThirdisThe transparent layer is called
the stratum lucidum
o Fourth (outer layer)is called horn
layerstratum corneum.
Inner layer or dermis layer:
o CompilermainfromThe dermis is a
connective tissueconsisting of g
from white fibers and yellow fibers.
Yellow fiber is elastic/flexible, so the
skin can expand.
o Stratum germinativumcausing growth to the
dermis area forming sweat glands and hair
roots.
University of Jambi (anatomy of the human body)
SKIN When it's cold or scared, hair muscleshrink and
hair becomes straight. Besidein the dermis
there is a fat pile that serves as a
cushionforprotect the insidebody from
mechanical damage.
CLASSIFICATION OF RECEPTORS IN
THE SKIN
Based on the source of stimulation:
Skin function 1. ekteroreceptors, on the surface of the
- synthesis of vitamin -Protection
D body
- produces an odor - prevent and responding to external stimuli
- and camouflage dehydration 2. Proprioceptors, responding to
-external stimuli
- temperature controller position changei
-stores fat
SKIN ARRANGEMENT 3. Interoreceptors, located on the
Skin consists ofouter layer called the viscera/
epidermisepidermis has no blood vessels and internal organs and blood vessels.
nerve cells. The epidermis is composed of four
layers of cells. From the inside to the outside Based on specific energy types or sensitivity to
certain modalities
o Firstisstratum germinativumserves to 1. Thermoreceptors(sensitive to
form a layer on top of it. changetemperature)
o Secondthat isstratum
granulosumwhich contains a small 2. Mechanoreceptors(sensitive to touch
amount of keratin that causes the skin and pressure)
to become hard and drylayer 3. Chemoreceptors(sensitive to chemical
granulosum generally produces black changes)
pigment(melanin). Melanin content
determines the degree of skin color, 4. Osmoreceptors(sensitive to changes in
blackness, or brownness. osmotic pressure)
o ThirdisThe transparent layer is called
the stratum lucidum
o Fourth (outer layer)is called horn
layerstratum corneum.
Inner layer or dermis layer:
o CompilermainfromThe dermis is a
connective tissueconsisting of g
from white fibers and yellow fibers.
Yellow fiber is elastic/flexible, so the
skin can expand.
o Stratum germinativumcausing growth to the
dermis area forming sweat glands and hair
roots.
