integumentary system diseases

Enlargement of sebaceous glands and an increase in sebum production occur with increased androgen production during puberty and directly before menstruation. The virus remains dormant until later in life when it is activated as shingles. A substance that causes a reaction is called an allergen. Warts – harmless skin growths that most commonly appear on the hands, feet and face. The hypodermis is made up of loose connective tissue and elastin protein. The skin color in humans is determined by different pigments like melanin, carotene, and hemoglobin. Treasure Island (FL): StatPearls Publishing; 2020 Jan-. Melanin in the epidermis protects dermis and other internal organs against exposure to ultraviolet rays and its damaging effects. Burns are classified by severity, surface area involvement, and depth of injury. In this section, you will learn several of the most common skin conditions. Gwinnett Colleges & Institute offers medical assisting courses to gain essential skills and training. Many of these medications are taken by mouth; however, epinephrine, which is used to treat anaphylactic reactions, is injected. Acne affects 40 to 50 million people of all racial and ethnic groups in the United States. The secretion of sweat and sebaceous glands contains some amount of urea and other ions that aid in excretion. In humans, the primary organ of the integumentary system is the skin. Similar to the skin, hair forms by rapid division and differentiation of stem cells which form keratinocytes that migrate, flatten, and die, forming keratinized cells. What are the most common diseases and disorders of the integumentary system that a medical assistant may deal with regularly? Medical staff should treat any second-degree burn that affects more than one percent of the body surface. An allergy is a hypersensitivity disorder of the immune system. These glands are present in all mammals and are rudimentary and non-functional in men. The ducts of the coiled tubules of the ceruminous gland pass through the dermis to empty into a hair follicle or onto the epidermal surface. Sebaceous glands become clogged with sebum, a naturally occurring skin oil, and dead skin cells. Their spread is facilitated by the formation of enzymes that break down the connective tissue that generally isolates an area of inflammation.

Modern Textbook of Zoology Vertebrates (Animal Diversity – ii). In: StatPearls [Internet]. The integumentary system is composed of skin and its appendages, subcutaneous tissue, deep fascia, mucocutaneous junctions, and breasts. The melanin produced in the melanocytes is then transferred to the keratinocytes via a cell organelle called melanosome, which results in the accumulation of melanin in the keratinocytes. Infection is a major complication of burns. Enlargement of sebaceous glands and an increase in sebum production occur with increased androgen production during puberty and directly before menstruation. Since keratin is tough and insoluble in water, the keratinized stratum corneum protects against mechanical injuries, fungal and bacterial attacks, and loss of body moisture. Integumental or epidermal glands are formed by the Malpighian layer of epidermis that arise in the epidermis but often invade the dermis. vibrissae in rabbits). Each of these lobules is composed of a group of alveoli that terminate into small ducts, which collectively form large excretory ducts called lactiferous ducts. The disease attacks the immune system, causing inflammation and pain.

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