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6 funtions of skin/V
Describe the six funtions of the skin
| Question | Answer |
|---|---|
| What are the Six Primary Funtions of the skin? | Sensation,Protection, Heat Regulation, Excretion, Secretion, Absorption. |
| How does Sensation protect the skin? | Sensation are the nerve receptors in the skin that detects touch & Pressure and sends those signals to the brain |
| How does Protection work? What protects the skin? | Melanin in our skin protects us from UV rays Langaners cells protect the skin on a cellular level form perseves entering the skin. Sebum oil-Lubricates the body to retain moisture, as well a protects skins by the sebum oil from pathogens. |
| What area of the body has more nerve endings than others? | fingertips and toes |
| what is the acid mantle contain? | Sebum sweat and lipids |
| Transepidermal Water loss | water loss caused the evaporation on the skins surface |
| Intercellular Matrix | Lipids that are between epidermal cells |
| Heat Regulation | In heat we sweat, when it is cold our vessels constrict to send blood to vital organs. Also after sweating it evaporates and cools our bodies. The subcutaneous layer insulates and warms the body. |
| Arrector pill muscles | Are a muscle attached to the hair follicle contract and cause goosebumps. |
| Excretion | The sudorfurious excrete sweat. To much can lead to dehydration. The sudorfurious glands prevent the body from overheating. |
| Secretion | The sebaceous gland secretes sebum to lubricate and protect the skin from pathogens and moisture loss, |
| absorption | The skin absorbs UV rays, serums creams etc |
| what routes does the skin have for absorption? | Intracellular-across the cells Intercellur-between the cells Transappendaageal- through the hair follicle and sweat duct |
| Sensory Nerves on the skin on the superficial layers of the skin | Free nerve ending, Ruffins corpuscle, Merkel disk,Meissners Corpuscle, Paciniam Corpuscle, , Kraues corpuscles, Hair follicle receptor. |
| Merkel disk | detect light touch or pressure that allows the location of touch to be pinpointed, sense rough and change in textures |
| Meissner’s corpuscles: | detect very fine light touch, low frequency vibration, a twist or bend in the skin, changes in pressure, motion. |
| Krause’s end bulb | (also a thermoreceptor): detect cold. |
| Nerves located in the dermis | Ruffini endings:and the Pacinian corpuscles |
| Pacinian corpuscles | detect deep and transient pressure; high frequency or sudden changes in vibration, also found in the bone periosteum and joint capsules Located all over the body: skin, muscles, fascia, joints, blood vessels, bones, and internal organs. |
| Ruffini endings | : detect stretch, deep pressure and warmth |
| what is the barrier function? | The acid mantle |
| How does sebum protect the skin? | It gives the skin protection from pathogens getting into the skin. This is done with the moisture that sebum has to keep the skin moist and not dry. |
| what is the function of the sudoriferous glands? | To cool down the body in heated elements through perpetration. (Sweat) |
| What routes does the skin have for absorption? | Intracelluar-Across the corneocytes, Intercelluar- between the skin cells , transappendageal-through the sweat gland or hair follicle. |
Created by:
PinkPlush
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