integumentary system by Katherinne Piloto Molina https://padlet.com/kpil0998/ppngcl33qtzh en-us 2019-02-25 19:11:33 UTC 2019-02-26 19:29:10 UTC hello@padlet.com epidermis kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335045205  The upper or outer layer of the two main layers of cells that make up the skin. The epidermis is mostly made up of flat, scale-like cells called squamous cells. The other main layer of the skin is the dermis, the inner layer of skin, that contains blood and lymph vessels, hair follicles, and glands.]]> 2019-02-25 19:11:50 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335045205 dermis kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335051600 the thick layer of living tissue below the epidermis which forms the true skin, containing blood capillaries, nerve endings, sweat glands, hair follicles, and other structures.The dermis or corium is a layer of skin between the epidermis (with which it makes up the cutis) and subcutaneous tissues, that primarily consists of dense irregular connective tissue and cushions the body from stress and strain.]]> 2019-02-25 19:21:50 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335051600 hypodermis kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335053296 In arthropods, the hypodermis is an epidermal layer of cells that secretes the chitinous cuticle. The term also refers to a layer of cells lying immediately below the epidermis of plants. The hypodermis is beneath dermis which is beneath epidermis. It is used mainly for fat storage.]]> 2019-02-25 19:24:55 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335053296 Collagen and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335054183 In its active form as calcitriol, vitamin D contributes to skin cell growth, repair, and metabolism. It optimizes the skin's immune system and helps destroy free radicals that can cause premature aging. While the body can produce vitamin D on its own through sun exposure, too much sun accelerates skin aging.]]> 2019-02-25 19:26:42 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335054183 Vitamin D and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335054825 In its active form as calcitriol, vitamin D contributes to skin cell growth, repair, and metabolism. It optimizes the skin's immune system and helps destroy free radicals that can cause premature aging. While the body can produce vitamin D on its own through sun exposure, too much sun accelerates skin aging.]]> 2019-02-25 19:27:49 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335054825 Keratin and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335055735 Collagen: Collagen is the most plentiful protein in the skin, making up 75-80% of your skin. Keratin is the main protein in your skin, and makes up hair, nails, and the surface layer of the skin. Keratin is what forms the rigidity of your skin and helps with the barrier protection that your skin offers.]]> 2019-02-25 19:29:21 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335055735 Vitamin A and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335056392 It encourages healthy skin cell production. Retinal, retinol and retinoic acid are important to cell production and growth. Vitamin A also stimulates fibroblasts—the cells responsible for developing tissue that keeps skin firm and healthy—in the deep layers of your skin]]> 2019-02-25 19:30:31 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335056392 Sweat glands kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335056522 Sweat gland, either of two types of secretory skin glands occurring only in mammals. The eccrine sweat gland, which is controlled by the sympathetic nervous system, regulates body temperature. When internal temperature rises, the eccrine glands secrete water to the skin surface, where heat is removed by evaporation.]]> 2019-02-25 19:30:46 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335056522 Lesion and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335056681 .A lesion is any damage or abnormal change in the tissue of an organism, usually caused by disease or trauma. Lesion is derived from the Latin laesio "injury".Lesions may occur in plants as well as animals.]]> 2019-02-25 19:31:03 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335056681 Crust and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335056795 A skin lesion is a part of the skin that has an abnormal growth or appearance compared to the skin around it. For example, if someone scratches a mole until it bleeds, the resulting lesion, a crust, is now a secondary skin lesion.]]> 2019-02-25 19:31:16 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335056795 Macule and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335056903 A macule is a flat, distinct, discolored area of skin less than 1 centimeter (cm) wide. It doesn't involve any change in the thickness or texture of the skin. Certain conditions such as vitiligo are characterized by white or lighter macules or patches on the skin.


]]> 2019-02-25 19:31:28 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335056903 Nodule and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335057049 Lipoma or dermatofibroma are common causes ofnodules on the skin. They are firm mobile cysts, usually skin coloured or yellow/white with a central punctum. They are usually found as a painless lump. The appearance of many nodules under the skincould indicate neurofibromatosis.]]> 2019-02-25 19:31:41 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335057049 Papule and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335057202 A papule is an area of abnormal skin tissue that is less than 1 centimeter around. A papule has distinct borders, and it can appear in a variety of shapes.Papules are often called skin lesions, which are essentially changes in the color or texture of your skin. Sometimes, papules cluster together to form a rash.]]> 2019-02-25 19:31:58 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335057202 Plaque and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335057514 Plaque psoriasis is a chronic autoimmune condition. It appears on the skin in patches of thick, red, scaly skin. According to the National Institute of Arthritis and Musculoskeletal and Skin Diseases, plaque psoriasis is the most common form of psoriasis.]]> 2019-02-25 19:32:28 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335057514 Scales and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335057682 Scaling Skin. Scales occur when the outermost layer of the epidermis becomes dry and flaky and peels. The excess of dead skin cells results in the appearance of scaly skin. Scales can be very thin and fine, as with pityriasis rosea, or thick, as with psoriasis.]]> 2019-02-25 19:32:43 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335057682 Verrucae and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335057926 Warts are caused by various strains of human papillomaviruses. Different strains may cause warts in different parts of the body. Warts can be spread from one location on the body to another or from person to person by contact with the wart.
The main symptom is a fleshy, painless growth on the skin. Common areas affected include the hands, feet, and genitals.
Treatment may include topical medications and removal through medical procedures.
]]> 2019-02-25 19:33:10 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335057926 Wheal and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058110 A skin wheal is a patch on the skin that is elevated, discolored, changes shape, and often itches. It can be due to an insect bite, an adverse reaction to something that touched your skin, eczema, or another small puncture wound you experienced. You may have also heard a skin wheal referred to as a 'welt' or a 'hive.]]> 2019-02-25 19:33:30 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058110 Hirsutism kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058235 Hirsutism can result from excess male hormones, called androgens. This may occur with certain medical conditions. It may also be inherited.
Hirsutism results in excessive amounts of stiff and pigmented hair on body areas where men typically grow hair, including the face, chest, and back.
Hirsutism is treated with medications. Hair can also be removed with electrolysis or laser therapy.
]]> 2019-02-25 19:33:44 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058235 Alopecia kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058362 Alopecia areata, also known as spot baldness, is a condition in which hair is lost from some or all areas of the body. Often it results in a few bald spots on the scalp, each about the size of a coin. Psychological stress may result. People are generally otherwise healthy.]]> 2019-02-25 19:33:56 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058362 Onychocryptosis kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058484 The condition usually affects the big toe. People who have diabetes are at greater risk of complications.
Pain, redness, and swelling can occur at the affected nail.
Lifting or removing the toenail can help. Antibiotics might be needed.
]]> 2019-02-25 19:34:10 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058484 Onchomyosis kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058653  also known as tinea unguium, is a fungal infection of the nail. Symptoms may include white or yellow nail discoloration, thickening of the nail, and separation of the nail from the nail bed. Toenails or fingernails may be affected, but it is more common for toenails to be affected.]]> 2019-02-25 19:34:25 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058653 Onychophagia kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058803 Nail biting, also known as onychophagy or onychophagia (or even erroneously onchophagia), is an oral compulsive habit. It is sometimes described as a parafunctional activity, the common use of the mouth for an activity other than speaking, eating, or drinking.]]> 2019-02-25 19:34:40 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058803 Albinism kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058980 Albinism is a rare group of genetic disorders that cause the skin, hair, or eyes to have little or no color. Albinism is also associated with vision problems. According to the National Organization for Albinism and Hypopigmentation, about 1 in 18,000 to 20,000 people in the United States have a form ofalbinism.]]> 2019-02-25 19:35:00 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335058980 Contusion and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059114 Bruises (contusions) occur when small blood vessels under the skin tear or rupture, most often from a twist, bump, or fall. Blood leaks into tissues under the skin and causes a black-and-blue colour that often turns purple, red, yellow, and green as the bruise heals.]]> 2019-02-25 19:35:14 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059114 Ecchymosis kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059211 A broader definition of ecchymosis is the escape of blood into the tissues from ruptured blood vessels. The term also applies to the subcutaneous discoloration resulting from seepage of blood within the contused tissue]]> 2019-02-25 19:35:26 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059211 Hematoma and the skin kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059305 Hematomas near the skin result in a large patch of skin discoloration (typically black and blue) that occurs after trauma to the soft tissue. A bruise develops when small blood vessels beneath the skin rupture and blood leaks into the soft tissue beneath the skin.]]> 2019-02-25 19:35:38 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059305 Psoriasis kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059409 Psoriasis is a chronic skin condition caused by an overactive immune system. Symptoms include flaking, inflammation, and thick, white, silvery, or red patches of skin. Psoriasis treatments include steroid creams, occlusion, light therapy and oral medications, such as biologics.]]> 2019-02-25 19:35:50 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059409 Rosacea kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059539 Rosacea is a common skin disease. It often begins with a tendency to blush or flush more easily than other people. The redness can slowly spread beyond the nose and cheeks to the forehead and chin. Even the ears, chest, and back can be red all the time. Rosacea can cause more than redness]]> 2019-02-25 19:36:02 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059539 Furuncles kpil0998 https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059621 Furuncles (boils) are skin abscesses caused by staphylococcal infection, which involve a hair follicle and surrounding tissue. Carbuncles are clusters of furuncles connected subcutaneously, causing deeper suppuration and scarring. They are smaller and more superficial than subcutaneous abscesses.]]> 2019-02-25 19:36:12 UTC https://padlet.com/kpil0998/ppngcl33qtzh/wish/335059621