Integumentary system

Period 2

Five functions of the integumentary system

Skin-it's function is to act as a barrier to protect the body from the outside world. It als functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature.

Hair- include protection, regulation of body temperature, and facilitation of evaporation of perspiration; hairs also act as sense organs.

Nail- protecting the distal phalanx, the fingertip, and the surrounding soft tissues from injuries. It also serves to enhance precise delicate movements of the distal digits through counter-pressure exerted on the pulp of the finger.

Glands-produce and secrete hormones, chemical substances produced in the body that regulate the activity of cells or organs. These hormones regulate the body's growth, metabolism

Nerves-nerve receptors carry these impluses felt from touch, tempature and pain receptors and takes it to the brain

2 Layers of your skin

Epidermis your skin's top layer, the epidermis, is super thin on some parts of your body (your eyelids) and thicker on others (the bottoms of your feet).

A lot happens in the next layer, the dermis. One of the dermis jobs is growing hair. The dermis is where you'll find the root of each tiny little hair on your skin. Each root attaches to a tiny little muscle that tightens and gives you goose bumps when you are cold or are scared.


    Three diseases from the integumentary system

    Skin cancer ,eczema ,psoriasis

    Eczema - Eczema symptoms include itchy, red, and dry skin caused by inflammation. Doctors don't know what causes eczema.Eczema affects your skin. The disease usually causes red, inflamed patches that are accompanied by intense itching.

    Skin cancer- skin cancer symptoms are pearly or waxy bumps, a flat, flesh colored or brown scar like lesion. What causes skin cancer is by exposure to sun also risk is especially high if you had serval episodes of sunburn in childhood.When the DNA that controls the cells' growth is damaged, it causes an overgrowth and buildup of skin cells. Eventually, this skin cell buildup forms a tumor, which. results in the symptoms you see, such as irregular spots, red bumps, or scaly patches on your skin.

    Psoriasis-Psoriasis' symptoms are raised red inflamed lesions, silvery scaly plaques, and dry skin that may crack and bleed. What causes Psoriasis? Psoriasis turns your skin cells into type A overachievers they grow about five times faster than normal skin cells. Your body can't keep up. The old ones pile up instead of sloughing off , they make thick, flaky, itchey patches. Psoriasis affects the body by weakining the knee, scaly skin, rough nails, and shoulder swelling.

    Treatment for skin cancer, eczema, psoriasis

    The available treatment for skin cancer are simple excision, mohs micrographic surgery, radiation therapy, and cryosurgery. The types of doctor involved would be Dermatologist

    The available treatments for eczema is good skin care routine is a key component in controlling eczema. The type of Doctor involved would be Allergist and a Dermatologist

    The availed treatments for psoriasis are topical creams, light therapy, biologics, and oral systemic therapies. The type of Doctor involved would be Primary Care Physician, Dermatologist, Rheumatologist, Pathologist, Inernist, and Nutritionist