KAAP220 Lecture Notes - Lecture 7: Autotransplantation, Holocrine, Stratum Basale
5 Mar 2018
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Document Summary
Sensory receptors in the dermis: meissner corpuscles, detect light touch, pressure, and vibration, pacinian corpuscles, detect deep pressure and vibration, ruffini corpuscles, sensitive to pressure and stretching of skin. Burns: burns are significant injuries that damage skin integrity, result from exposure to heat, friction, radiation, electrical shock, strong chemical agents, can damage large areas of skin compromising many essential functions, severity depends on, depth of penetration. Infection can develop from ruptured blisters: healing take one-two weeks. Third-degree burns: full-thickness burns, destroys epidermis, dermis, and damage extends into subcutaneous layer, extensive burns of this type cannot repair themselves. Less painful than second-degree burns: skin grafting usually necessary, skin function affected by burns, fluid and electrolyte balance. Hair: composed of dead, keratinized cells produced in specialized hair follicle. Large, coarse, darkly pigmented: examples: hairs found on scalp or in armpit, vellus hairs, smaller, shorter, delicate.
