The skin is an organ, the skin covering the body of an average adult with two square meters and is 15 percent of total body weight. Each piece of skin has many kinds of cells, each with their own function. There are nerve cells for the observation of cold, heat and pain. There are also [...]
The epidermis consists of a lower, basal layer of cells that continuously multiply and which becomes a layer of flat squamous cells. After the cells lost their nucleus and cornification process undergone by the formation of keratin, they form after a while the human eye visible outer layer of skin, the stratum corneum.Het gehele proces [...]
The dermis (corium), which lies below the epidermis, is 90 percent of the total mass of our skin. The dermis consists of a dense network of strong, white fibers (collagen) and yellow elastic fibers (elastin), which are blood vessels, muscle cells, nerve fibers, lymphatic vessels, hair follicles and glands include. The dermis determines the firmness [...]
Below the dermis lies the subcutaneous tissue (subcutis), which mainly consists of fatty cells that are embedded between blood vessels and nerves. This layer is specialized in making fat, which is unevenly distributed over the whole body. The sebaceous glands and sweat glands have their origins here. The subcutaneous tissue is thinner and partially disappear [...]
About body are sebaceous glands, however, the skull, face, the center of the chest and genital areas are most sebaceous glands. The sebaceous glands are connected to the hair follicles and oil which make the hair follicles on the surface of the skin achieved. Sebum is an oil or fatty substance which is composed of [...]
There are two types of sweat glands: the eccrine glands, which are distributed throughout the body, but the closest on the palms, soles, forehead and forearms and apocrine glands, which are larger and a different kind of sweat. The production of apocrine glands is mainly affected by stress and emotions. They are mainly located in [...]
Man is a hairy creature, the lips, palms and soles are completely hairless. The hair on the scalp and the rest of the body provides protection against undue influence of the sun and the skull is also against injury. It gives us information about her age and in a sense of overall health. Each hair [...]
The nails of fingers and toes are also a product of the epidermis and consist of the protein keratin. Each nail grows outward from a nail bed, which is formed by a fold in the skin. A normal fingernail grows at a rate of 3 mm per month, about two to three times faster than [...]
Because the skin is a complex organ, and under the influence of external effects such as sun, wind and weather, various skin conditions. Good skin care can prevent many problems. The skin protects us from external influences. The skin is strong and resilient and usually recovers from injury itself but also, like eczema or dermatitis, [...]
Signs and symptoms Redness and itching. In severe cases, blisters and weeping sores. The skin changes strictly limited to the area in contact with the material that caused this exception. Contact dermatitis or contact dermatitis is a form of dermatitis that often occurs through contact with the skin and some substance. A good example of [...]
Signs and symptoms Itching that increases with stress. Sharply defined, thickened areas of skin. Visible effects of the crab (excoriations). Although neurodermatitis and lichen simplex chronicler not exactly the same, the names are often used interchangeably. In simple words this, these common skin disorders of flat growths (plaques) of different sizes (2 to 25 cm [...]
Some people in hot weather heat bumps. This deviation is characterized by the formation of nodules that are approximately the size of a pinhead on the skin and surrounded by a red court. This condition is very itchy and is often accompanied by a tingling, burning sensation. Heat bumps remarkably often in the neck, the [...]
Signs and symptoms Itchy, thickened skin full of gaps, mostly localized in the elbow creases and knees. Atopic eczema, including atopic dermatitis, eczema or acne toddler named is often associated with allergic symptoms such as asthma, nasal congestion and hives. It is common in more family members. It usually starts at preschool age, when in [...]
Signs and symptoms Thickening of the skin around the ankles with itching. Varicose veins and other abnormalities of the blood vessels, but the arteries can lead to fluid retention (edema) under the skin. As a result, these areas are poorly supplied with blood and become vulnerable. Since the ankles little support tissue, they are often [...]
Signs and symptoms Greasy-looking, scaly patches on both sides of the nose, between eyebrows, behind the ears and above the sternum. A persistent itching associated with dandruff. Characteristic of the seborrheic dermatitis is some red-looking skin with a greasy flaking mainly in the folds at the bottom of the nostrils, the nostrils, the sternum, below [...]
Signs and symptoms Redness and skin sensitivity in areas that are too powerful treatment for another skin disorder. Excessive handling of the skin is a common problem. Skin Doctors often see people with inflammation of the skin (dermatitis) which exists for several weeks or months, or even worse, despite repeated application of different ointments or [...]
Signs and symptoms Black and white pimples (comedones or blackheads) on the face, neck, shoulders and back. Pimples. Cysts. Acne occurs when the hair follicles (follicles) in the skin get clogged. Each follicle contains a sebaceous gland that an oily substance (sebum or sebum) produced to lubricate hair and skin. When sebum and sloughed skin [...]
Signs and symptomsRedness in the face. An inflammation of the cheeks, nose, forehead and chin. A red, bulbous nose. Rosacea is a chronic inflammation of the cheeks, nose, chin, forehead and eyelids. The cause is unknown. The symptoms are the result of a dilation of blood vessels just under the skin. It occurs mainly in [...]
Signs and symptoms Dry, red patches of skin covered with silvery scales. Small scaling dots (usually seen in children). Alarming signs The entire skin is red and covered with scales. Psoriasis is a skin disease which are fairly widespread. Periods of reduced symptoms of psoriasis are alternated with periods in which the disease progresses. The [...]
Signs and symptoms Itchy spots on the wrists, legs, torso, genitals, mouth and lips. Lichen planus is a rare, recurrent, itchy rash consisting of red-purple spots on the skin and gray-white patches in the mouth. It usually occurs around middle age. The first attack lasts several weeks or months, after repeated attacks may occur many [...]
Signs and symptoms Slightly itchy red spots on the trunk, upper arms, neck and thighs. Pityriasis (scaling) rosea (pink) is a common skin rash that usually affects young people. A single red spot on the trunk is often the first symptom. After a few days and offer more spots. Presumably the cause is a viral [...]
Signs and symptoms Itchy and scaly skin. Dry skin, also known under the name of asteatose or chapped skin is a common problem especially in older people. It is especially annoying in the winter when cold air outside and heated air inside both too little moisture. Asteatose in the Nordic countries, a common ailment. The [...]
Signs and symptoms A dry, scaly skin that already exists from childhood. Ichthyosis is sometimes called fish skin, because the typical appearance of the rash. It is the most common form of inherited skin disorder. The exception usually occurs first in childhood between the first and fourth year. It can sometimes disappear completely in adulthood, [...]
Signs and symptoms Red or pink bumps on the skin. Swelling of the skin. Nettle Rose, also called urticaria, are commonplace. It is a response to internal or external allergens.
Signs and symptoms White patches on the skin that slowly expand. Dark brown spots on the skin. The color of the skin is determined by the melanin pigment in the skin is formed. Sometimes something changes in the color mechanism and in a certain part of the skin too much melanin is formed, making it [...]
Signs and symptoms Skin changes, including redness, hives, blisters and bleeding skin. Itching. You are allergic to commonly available drugs or agents by a doctor. When you get a skin rash while taking a medicine at that time, then that means most likely the cause. The GP can help to identify the cause. Drug reactions [...]
Signs and symptoms A red, swollen and sensitive skin. Fluid-containing blisters. Alarming signs Fever, chills, nausea and sometimes complete confusion. Sunburn is due to prolonged exposure to the ultraviolet rays of sunlight. Sunburn is a major cause of the increase in the incidence of malignant (malignant) melanoma, the deadliest form of skin cancer. The chances [...]
Signs and symptoms Redness. A rash. Blisters or swelling of the skin. Photosensitivity is an enhanced response of skin to sunlight or light from artificial light sources, usually in combination with a drug or something that you have eaten. Certain drugs are known to some people fotosensibele reactions. These include cancer agents, drainage pills, tranquilizers, [...]
Signs and symptoms A limp, sagging, wrinkled skin. A dry, tough, leathery skin. Elastosis is a degenerative disorder of the connective tissue of the skin, which gradually begins with anyone older. Repeated exposure to ultraviolet radiation accelerates this process dramatically, however. You would be called sunlight aging. The result is a loss of elasticity of [...]
Signs and symptoms Discoloration of the skin, including liver spots, freckles, red, yellow or brown spots. Changes in the connective tissue of the skin consisting of coarse wrinkles, sagging skin folds of gray-yellow discoloration, roughness, extreme dehydration and a leathery toughness. Neoplasms of the skin with scaly patches. The effects of aging of the skin, [...]
Signs and symptoms Soft fatty lumps under the surface of the skin. Both xanthelasma like xanthomen elevations are yellow under the skin that sharply limited. Xanthelasma are flat and occur under the skin of the eyelids on the side of the nose. They do not hurt and are also harmless, but it is necessary that [...]
Benign skin tumors are quite often and are usually harmless. They are common in people who get older. With the exception of actinic keratosis and certain types of moles is not necessary that these growths are removed unless they cause irritation or cosmetic problems. As a precaution it is wise to any tumor growth or [...]
Signs and symptoms Small growths on the skin in the neck, armpits, upper portion of the hull and in the folds of the skin. Stalked warts, or skin appendages acrochordonen sometimes called, are small benign gezwelletjes of unknown origin, on a stalk protruding above the skin. They feel soft, have a normal skin color or [...]
Signs and symptoms Yellow, brown or black skin growths on the face, chest, shoulders and back. People with fair skin and older than 40 years are suffering most seborrheic keratoses. Seborrheic keratoses, which come from is not known but it is about benign skin tumors. The tumors are oval in shape and have a surface [...]
Signs and symptoms Grained, scaly, dark spots on the face, the scalp and the backs of the hands. People with fair skin that sun damage are the most affected by actinic keratoses. An actinic keratosis is not a normal cornification by best Arling. After the creation of an Actinic keratoses will first be flat and [...]
Klachten en verschijnselen Een tekening op de huid die ontstaat voor of kort na de geboorte. Verschillende soorten van gewone geboortevlekken worden hemangiomen genoemd. Het zijn goedaardige, gewoonlijk pijnloze tekeningen op de huid zonder oorzaak. Ze ontstaan door een plaatselijke woekering van bloedvaten. Voor een uitgebreide bespreking van geboortevlekken, zie het stuk in hoofdstuk 1.1; [...]
Signs and symptoms Small, smooth, cherry red lumps on the skin. A cherry hemangioma is a benign skin tumor that is. The cause of a cherry hemangioma is not known, but are known to occur usually after the age of 40. Cherry hemangiomas are ubiquitous on the skin, but mostly they sit on the trunk. [...]
Signs and symptoms Flat, light brown to black spots on the face and the backs of the hands. Senilos lentigo or liver spots are not dangerous spots and increased pigmentation. They may have the size of a freckle, but can also be larger with a diameter of one inch. People over 55 years have regularly [...]
Signs and symptoms Flesh-colored, brown, blue or black spots on the skin. Most people have one or more moles. Moles are generally benign gezwelletjes which consist of an accumulation of pigment cells. You have them with hair, they can even enter the skin and wrinkling. In old age they may even just fall off. As [...]
Signs and symptoms Flesh-colored or lighter colored, wrinkled or knobby growths on the skin. An excessive development of scar tissue or keloid is also known as hypertrophic scars. It occurs in places where the skin has been damaged. This may be by surgery, vaccination, severe acne, skin burns or even a simple scratch. People with [...]
Signs and symptoms Small, hard, flesh-colored, white or pink, grainy bumps on the skin. A wart, verruca vulgaris, also known, is a benign gezwelletje which is caused by a virus which skin cells turn into a multiplication which is not inhibited. Warts are contagious when touched someone else can also have problems with. Usually there [...]
If you suffer from overgrowth of skin and you see that it changes or does not swear that it heals itself again it is advisable to consult a doctor. It can then decide to place a medical examination. There can in such case be skin cancer. When skin cancer is detected early and treated, the [...]
Signs and symptoms Pearl or waxy bumps on the skin of the face, ears or neck. Flat flesh-colored or brown scar-like abnormalities on chest or back. Basal cell cancer is a form of skin cancer which is most prevalent. In about 75 percent of cases of skin cancer or basal cell carcinoma involves basal cell cancer. [...]
Signs and symptoms Fixed-touch red nodules or flat disks with a scaly or crusty surface on the face, ears, neck, hands or arms. Another name for epitheelcelcarcinoom’s epithelioma or spin cellular carcinoma. Epitheelcelcarcinoom It arises from the middle portion of the epidermis and is a malignant tumor. Epitheelcelcarcinoom it may spread to internal organs or [...]
Signs and symptoms Superficial spreading melanoma, small disks with irregular borders and red, white, blue or blue-black spots on the trunk and limbs. Nodular melanoma: shiny, solid feeling, pearl gray to black bulges or disks that can occur anywhere on the skin. Acro lentigineus melanoma: acro means at the top or at the end standing. [...]
Signs and symptoms Aggressive form: purple-red lumps in every conceivable place. Dormant forms: dark blue or purple bumps on a toe or leg. The Kaposi’s sarcoma is a malignant disease. It is sometimes combined with other cancers such as lymphoma or leukemia. At first, the deviation red to purple, it seems quite a birthmark (hemangioma). [...]
The skin protects us from external dangers and therefore display the first line of defense when it comes to attacks from viruses, fungi, bacteria and poison. If bacteria have found a place in a wound because they may be some deviations occur. Invaders such as bacteria, for example, hair follicles are going to infect or [...]
Signs and symptoms Itchy, red sores with yellow, gray crusts on the face, arms or legs. Impetigo is quite common, this is a superficial skin condition which is caused by bacteria. The bacteria that cause impetigo usually penetrate the skin through a scratch, scrape, insect bite or a pre-existing skin condition. Impetigo can also be [...]
Signs and symptoms Small pimples with a white head around hair follicles. Folliculitis is an infection of the hair follicles. It is common and in nine out of ten cases are caused by fungi or staphylococci. The infection can occur anywhere on the skin caused by abrasive clothing, clogged hair follicles or trauma. For example, [...]
Signs and symptoms A swollen and painful thickening of the skin, usually pink or red. The swelling and redness of the skin expands and becomes very painful. Fever or a feeling of exhaustion. A furuncle is an infection or steempuist in a place or a measurement of hair follicles. This infection is in most cases [...]
Signs and symptoms A very painful and hot to the touch area of the skin in the face, arm or leg, that looks red and swollen with stripes and blisters. Cellulite occurs when connective tissues beneath the skin is inflamed. This inflammation is often caused by a bacterial infection. A skin infection, fungal infection or [...]
Signs and symptoms Certain portions of the skin may be red and swollen and painful. Lymfadenitis is caused by an infection of the lymph nodes. This infection can be followed by bacteria, viruses, fungi or other pathogenic microorganisms. Lymphangitis is similar to lymdadentitis but concerns the lymphatic system. It coexists with abscesses and cellulitis with pus. [...]
Signs and symptoms Alone or together in a group portrait, small, fluid-filled blisters on a somewhat elevated, red, painful area of skin. Small painful ulcers in the mouth with a white or yellow center and a red border. Rash Fever is very common. Fever Rash or fever blisters can occur on the body size mostly [...]
Signs and symptoms Pain or tingling in one area on one side of the body or face, preceded by a rash consisting of tiny, fluid-filled blisters. Shingles is an infection caused by the same virus as chickenpox. After you have had chickenpox, the virus still present in your body. Years later it may come up [...]
Signs and symptoms Small, pearly nodules on the skin with a core consisting of white, cheesy material. Molluscum contagiosum is caused by a relatively common viral infection of the skin. Typical of any small, round bumps on navel is a small black top. In children they appear nodules usually in the face, trunk or limbs. [...]
Signs and symptoms An itchy, red, wet, scaly and cracked skin between the toes. Itchy, fluid-filled lumps on the side or bottom of the foot. Strong dry areas with little white flakes on the side of the foot, the soles or palms. Itchy, red or gray, scaly patches on the scalp with partial baldness or [...]
Signs and symptoms Itchy, red bumps. Red, painful open sores. A local numbness or a feeling just like someone pricking needles into your skin. Alarming signs Swelling of the face, severe paralysis, muscle cramps, difficulty breathing, headache, nausea or fever. Unconsciousness. The symptoms of an insect bite caused by poison and other products in the [...]
A hair is made of keratin, the same protein product to the nails and the outer layer of skin is formed. The portion of the skin, the hair shaft or sheath called her. An average man has one hundred thousand hairs on his head. The root of a hair found under the skin and is [...]
Signs and symptoms An overall reduction in the amount of hair on the head. A moderate reduction in hair growth on the crown and the hairline. It is common in women the hair becomes thinner, as they age. A person may at the age of 80 years just as much as her when she was [...]
Signs and symptoms A receding hairline. Moderate to extensive loss of hair, especially on the crown. The image of male baldness is well known. It usually starts the first time at the hairline, which gradually withdraw in the form of a capital M. It is also possible that the hair thinning and not as long [...]
Signs and symptoms Small bald patches on the scalp. The hair over the skull is thinner. Complete hair loss over the body. Gradual loss of hair can have various causes, including excessive styling hair, a hairstyle where the hair too much tension, compulsive damaging her (turning, rubbing or pulling), diseases or infections of the skin, [...]
Nails occur at the ends of our fingers and toes and are made of thin layers of a certain type of protein called keratin. Each nail grows into the end of the finger or toe nail from a root, which is located in a fold of skin. Just before the root is a piece of [...]
Signs and symptoms A red and swollen areas of skin around the nail. A paronychia is an infection of the skin around the nail, usually caused by staphylococcus (bacteria) and fungi. It is usually due to an injury or stripping skin of a sheet or a torn nail bed of the nail pushing back the [...]
Signs and symptoms Thickened and lusterless nails of fingers and toes with discoloration and crumbling edges. Spores can adhere to the compact layer of keratin cells, which is the nail. These microscopic organisms can digest keratin and to reproduce it. The result is an infection known as onychomycosis (fungal nail) and can last indefinitely. You [...]