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Unbroken skin and cellular secretions, such as mucus, are examples of _____ immunity.
4 days ago · The skin provides protection to its underlying tissues from pathogens, mechanical damage, and UV light. Pathogens, such as viruses and bacteria, are unable to enter the body through unbroken skin due to the outermost layers of epidermis containing an unending supply of tough, dead keratinocytes.
Dec 19, 2018 · What is the epidermis? The epidermis is the outermost of three main skin layers. The outermost one is called the epidermis. It’s thin but durable and acts as a protective barrier between your...
The skin consists of the epidermis, dermis, and basement membrane. The epidermis is the outermost layer of skin and forms a protective barrier over the body’s surface. Its layers continually grow outward as older layers shed away. The dermis is below the epidermis and is made of connective tissue that cushions the body from stress and strain.
Apr 12, 2019 · The skin is a complex organ that has devised numerous strategies, such as physical, chemical, and microbiological barriers, to protect the host from external insults. In addition, the skin contains an intricate network of immune cells resident to the tissue, crucial for host defense as well as tissue homeostasis.
On skin permeability, according to Wikipedia: Human skin has a low permeability; that is, most foreign substances are unable to penetrate and diffuse through the skin. Skin's outermost layer, the stratum corneum, is an effective barrier to most inorganic nanosized particles."
Unbroken skin: If you have an early-stage pressure ulcer, wash it with mild soap and water, and dry gently. Do this frequently, especially if the skin comes into contact with moisture, urine or stool.
