Skip directly to site content Skip directly to page options Skip directly to A-Z link. Fungal Diseases. Section Navigation. Facebook Twitter LinkedIn Syndicate. Minus Related Pages. Vaginal candidiasis. Apply market research to generate audience insights.
Measure content performance. Develop and improve products. List of Partners vendors. Yeast and fungi can cause infections in your body and on your skin. These organisms are part of the fungal kingdom, which includes mushrooms and molds, and they are separate from bacteria, viruses, amoeba, and plants. Many people associate yeast infections with the vagina , and that is one type of yeast infection. But there are other kinds of yeast infections that can affect skin all over the body.
You might cringe at the thought of having a fungal or yeast infection. The reality, however, is that many types of fungi live on the skin all the time, even though you can't see them. Most of the time, these fungi don't cause any problems, but sometimes a fungus will change and cause an infection.
These are some of the more common fungal and yeast infections that people experience. Tinea versicolor is also known as pityriasis versicolor. It is a fungal infection of the top layer of the skin, the epidermis. The yeast that is responsible for this rash loves oil glands, so teenagers and young adults tend to get tinea versicolor more often than older people.
There is a treatment for tinea versicolor , but the infection often comes back. Fortunately, this infection doesn't cause any pain or itching. Jock itch, also known as tinea cruris, is a fungal infection of the skin in the groin.
Fungi flourish in a warm, moist environment—and that certainly describes the groin. Women can get jock itch, though the infection tends to strike men.
Jock itch can be very itchy, as its name implies, but it usually responds well to over-the-counter fungal infection creams. Preventing jock itch involves keeping the groin as dry as possible and sometimes using an antifungal powder every day. Athlete's foot, or tinea pedis, is a common fungal infection of the feet. There are different types of athlete's foot infections, but the most common one occurs in between the toes.
This infection causes intense itching and breaks down the skin, so it often looks like white goo between the toes. Athlete's foot is typically treated with creams or lotions. But sometimes a severe case will require an oral antifungal medication. Ringworm, also known as tinea corporis, is a common fungal infection of the skin.
There are several fungi that can cause ringworm and they live in the epidermis. Yeasts are found throughout nature, inhabiting soil, vegetation and aquatic ecosystems. They are also commonly found on the bodies of humans and other animals.
Yeasts from the genus Candida are pathogenic, meaning they cause diseases. Candida yeast infections are known as candidiasis, and can affect numerous areas of the body, including the skin, genitals, throat, mouth and blood. Various stages of bud development are seen. The cells are surrounded by a rigid polysaccharide capsule, typical of the genus Cryptococcus , and seen as distinct haloes where the India ink particles have been excluded.
Cryptococcus species are common on leaf surfaces. But the most important species from the human standpoint is C. The capsule is a significant virulence determinant of C. Additionally, C. This enzyme acts on phenolic compounds to produce melanin, which might help to protect the cells against the antimicrobial effects of oxidants in host tissues.
It infects through the lungs, where it causes a mild or chronic, persistent pneumonia, depending on the person's degree of immunity.
Random testing of people for skin reactions to C. However, in a small proportion of the population the fungus can disseminate "silently" in the central nervous system, causing fatality. For many years it was assumed that yeast cells inhaled in dried, powdered bird droppings were the source of lung infection.
But a sexual stage of the fungus has now been discovered in laboratory culture; it is typical of the fungal group Basidiomycota which includes the mushroom fungi but is microscopic, and it leads to the release of small about 3 micrometre airborne basidiospores. These are the ideal size for deposition in the lungs see Airborne Microbes. They are thought to be the main means of infection, but their environmental source is unknown - perhaps a yeast stage growing on vegetation.
Candida albicans is a dimorphic fungus that grows at 37 o C.
0コメント