Fish skin disease - Medical Dictionary - The Free Dictionary
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The majority of digenean fluke problems appear to be primarily aesthetic in nature among tropical fish. Fish commonly serve as an intermediate host for these parasites which frequently have a complex life cycle. Invertebrates may be the first host and a bird or mammal the primary host. Encysted digeneans are commonly observed as metacercaria in the skin and underlying tissues of tropical fish. Occasionally these metacercaria are found in the coelomic cavity of tropical fish. Imported silver dollar fish species from South America are commonly infected with metacercaria belonging to the genus . Some fish may have only one or two metacercaria while others may harbor hundreds. This disease will not harm the fish and will not progress unless the fish is consumed by an appropriate primary host animal. Fish which are affected are sometimes said to have "Salt and Pepper" disease since the cysts become pigmented and the uplifted scales appear especially white or shiny. Another common digenean parasite is which is called the "Grub" by fish farmers in Florida. Excysted worms may be more than 5 millimeters long and are easily visible to the naked eye. If the metacercaria are not too numerous, they can be removed safely with a clean scalpel.
Nematodes are common parasites of fish and can be especially abundant in wild species. In some cases the tropical fish is the definitive host and the nematodes will be found in the gastrointestinal tract. In other instances the fish is an intermediate host and the larval nematodes will be seen encysted beneath the skin, in the musculature or in the coelomic cavity. Medical treatment of the larval forms is very difficult because these nematodes are encysted and well protected. Some species of form large cysts just under the skin of tropical fish and can be removed surgically, especially if the fish is relatively large. As is the case with other encysted larval helminth parasites, the disease will usually not progress unless the fish is eaten by the definitive host.
fish skin disease explanation free
Fish skin disease - The Free Dictionary
Ichthyosis vulgaris, also known as common ichthyosis or fish scale disease, is a skin condition resulting in scaly skin, especially on the arms and legs. Its name is derived from the Greek word meaning "fish."
Ichthyosis vulgaris can be a trait passed on in families (hereditary), or it may develop later in life as a result of certain exposures (acquired). The hereditary type, also called congenital ichthyosis vulgaris, first appears in early childhood and accounts for more than 95% of cases of ichthyosis vulgaris. The acquired type usually develops in adulthood and results from an internal disease or the use of certain medications.Ichthyosis is a family of genetic skin disorders, distinguished by scaling and dry skin that may be very thin or thick. The prefix “Ichthys” takes from the Greek root word fish. The scales of Ichthyosis Vulgaris, at times, called fish skin disease or fish Fish scale diseases, This can be present at birth, but typically first appear during early childhood. Each year more than 16,000 babies are born with some for of ichthyosis. Occasionally, mild cases of Ichthyosis Vulgaris go undiagnosed because they are mistaken for dry skin. Ichthyosis affects people of all ages, races, and genders.Ichthyosis vulgaris is an inherited skin condition that occurs when your skin doesn’t shed its dead skin cells. This causes dry, dead skin cells to accumulate in patches on the surface of your skin. It’s also known as “fish scale disease” because the dead skin accumulates in a similar pattern to a fish’s scales. Ichthyosis is a family of genetic skin disorders, distinguished by scaling and dry skin that may be very thin or thick. The prefix “Ichthys” takes from the Greek root word fish. The scales of Ichthyosis Vulgaris, at times, called fish skin disease or fish Fish scale diseases, This can be present at birth, but typically first appear during early childhood. Each year more than 16,000 babies are born with some…