Notes in Skin

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Published	11/11/2024	The main functions of the skin are {{c1::protection}}, {{c1::thermoregolation}}, {{c1::sensation}}, {{c1::Sexual signalling}}  and {{c1::metaboli…
Published	11/11/2024	The skin is composed of the {{c1::epidermis}}, {{c1::dermis}} and {{c1::hypodermis}}.
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Published	11/11/2024	The {{c1::epidermis}} is the {{c2::superficial epithalial layer of the skin}}.
Published	11/11/2024	The {{c2::Stratum Corneum}} (First layer of the skin) are composed of {{c1::dead keratinsed cells}}, creating a {{c1:: waterproof}} surface.
Published	11/11/2024	{{c1::Stratum granulosum}} (2nd layer  of the skin) contains {{c2::keratohyalin}} granules which are used to produce {{c2::keratin}}.
Published	11/11/2024	{{c2::Stratum Spinosum}}/ {{c2::Prickle cell layer}} (3rd layer of the skin) have  {{c3::keratinocytes}} which are all bound together by {{c1::de…
Published	11/11/2024	{{c1::Stratum Basale}} (4th layer of the skin) produce {{c2::Stem cells}} which are responsible for contiuous cell renewal as well as containing {{c2:…
Published	11/11/2024	The {{c1::dermis}} is the thick layer of the skin below the epidermis, consisting of {{c2::dense collagen-based connective}} tissue.
Published	11/11/2024	The {{c2::papilliary layer}} (1st layer of the dermis) is made of  {{c3::loose connective}} tissue containing {{c1::blood vessels}} and {{c1…
Published	11/11/2024	The {{c1::Reticular layer}} (2nd layer of the dermis) is the {{c2::dense connective tissue}} providing {{c2::structural support}}.
Published	11/11/2024	The reticular layer of the skin contains {{c1::fibroblasts}}, {{c1::sensory receptors}} (i.e. {{c1::Meissner's}} and {{c1::Parcinian corpuscles}}), an…
Published	11/11/2024	The function of the reticular layer is {{c1::thermoregulation}} and {{c1::sensory detection}}.
Published	11/11/2024	The {{c2::stratum Lucidum}} (found in {{c1::thick skin}} e.g {{c1::palms}} and {{c1::soles}}) is a strong layer used for {{c1::protection}}.
Published	11/11/2024	The {{c2::subcutaneous layer}} or {{c2::hypodermis}} is made of {{c1::loose connective tissue}} and {{c1::adipose tissue}}, is used for {{c3::insulati…
Published	11/11/2024	The skin constitutes the {{c1::Intergumentary}} system.
Published	11/11/2024	Skin colour varies with {{c1::ethnicity}}, {{c1::location on the body}} and {{c1::UV exposure}}.
Published	11/11/2024	Sweat glands can be classified into {{c1::eccrine}} and {{c1::apocrine}} glands.
Published	11/11/2024	{{c2::Eccrine}} glands are found through out the body, while {{c2::Apocrine}} glands are more localised to the the {{c1::axillary}} and {{c1::genital}…
Published	11/11/2024	{{c2::Aprocrine}} glands produce {{c1::thicker}}, {{c1::odourous}}, {{c1::protein rich}} sweat, while {{c2::Eccrine}} glands have {{c1::thinner}}, {{c…
Published	11/11/2024	{{c2::Nails}} are made of {{c1::keratin}} and protect the {{c1::fingertips and toes}}, as well as providing {{c3::support}}, {{c3::precision}} and {{…
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Published	11/11/2024	The hair combined with {{c2::the sebaceous gland and arrector pilli muscle}} is known as the {{c1::pilosebaceous unit}}.
Published	11/11/2024	{{c2::Filliculitis}} is the {{c1::inflammation of the hair follicle}}.
Published	11/11/2024	Acne is caused by {{c1::chronic inflammation}} due to {{c1::overproduction}} or {{c1::clogging}} of {{c1::sebaceous secretions}}.
Published	11/11/2024	{{c1::Corneocytes}} are {{c2::dead and matured keratinocytes}}.
Published	11/11/2024	Burns can classified into 3 types: {{c1::Superficial, Partial thickness and Full thickness}}.
Published	11/11/2024	{{c2::Superficial}} burns have {{c1::epidermal}} damage, are visually {{c1::red}} and have {{c1::no blisters}} and are typically {{c1::quite painfull}…
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Published	11/11/2024	{{c2::Superficial-partial-thickness burns}} have {{c1::papillary dermis}} damage and are visually {{c1::red with blisters}} and are {{c1::very painful…
Published	11/11/2024	{{c2::Deep-partial-thickness burns}} have {{c1::reticular dermis}} damage, are visually {{c1::white or yellow}} and are typically {{c1::uncomfortable …
Published	11/11/2024	{{c2::Full thickness burns}} have {{c1::comprehensive dermis}} damage, are visually {{c1::white}} or {{c1::brown}} and are typically {{c1::painless an…
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Published	11/11/2024	Warts are {{c1::white}} and have a {{c1::cauliflower}} appearance.
Published	11/11/2024	{{c2::Melanocytes}} produce {{c1::melanin}}.
Published	11/11/2024	The hair on the skin is associated with {{c1::sebaceous glands}} which produce {{c2::sebum}}, as well as an {{c1::arrector pili muscle}} for {{c2::the…
Published	11/11/2024	{{c2::Merkel cells}} are mechanoreceptors used in {{c1::light touch senstation}}.
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