alligator skin disease

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• Skin — The skin is the body s outer covering. It protects us against heat and light, injury, and infection. It regulates body temperature and stores water, fat, and vitamin D. Weighing about 6 pounds, the skin is the body s largest organ. It is made up… …   Medical dictionary

• Graft-versus-host disease — A complication of bone marrow transplants in which T cells in the donor bone marrow graft go on the offensive and attack the host’s tissues. Graft versus host disease (GVHD) is seen most often in cases where the blood marrow donor is unrelated to …   Medical dictionary

• List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …   Wikipedia

• Ichthyosis — Dry, rectangular scales on the skin. Like fish scales. From the Greek ichthys meaning fish. Ichthyosis is not one but rather a group of skin disorders characterized by noninflammatory scaling of the skin. Many different metaphors have been used… …   Medical dictionary

• Albinism in popular culture — The depiction of albinism in popular culture, especially the portrayal of people with albinism in film and fiction, has been asserted by albinism organizations and others to be largely negative and has raised concerns that it reinforces, or even… …   Wikipedia

• Timeline of zoology — A preliminary timeline of the history of zoology before the 1859 publication of Darwin s Origin of Species . Ancient world *28000 BC. Cave painting (e.g. Chauvet cave [http://www.culture.gouv.fr/culture/arcnat/lascaux/en/] ) in Europe, especially …   Wikipedia

• Caryophyllales — ▪ plant order Introduction   pink or carnation order of dicotyledonous flowering plants. The order includes 33 families, which contain more than 11,000 species in 692 genera. Nearly half of the families are very small, with less than a dozen… …   Universalium

• U.S. state reptiles — Turtles, snakes, lizards, and crocodilians are all represented as U.S. state reptiles. Twenty six U.S. states have named an official state reptile. As with other state symbols, states compare admirabl …   Wikipedia

• literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …   Universalium

• Avocado — taxobox name = Alvacodo image caption = Avocado fruit and foliage, Huntington Library, California regnum = Plantae unranked divisio = Angiosperms unranked classis = Magnoliids ordo = Laurales familia = Lauraceae genus = Persea species = P.… …   Wikipedia

• steroid — /stear oyd, ster /, Biochem. n. 1. any of a large group of fat soluble organic compounds, as the sterols, bile acids, and sex hormones, most of which have specific physiological action. adj. 2. Also, steroidal /sti royd l, ste /. pertaining to or …   Universalium