Sarcoidosis. Sarcoidosis is a disease that causes your immune system to overreact, which can lead to health issues. It can cause lung damage, skin rashes, and eye disease and can affect other organs of the body. Learn About Sarcoidosis
goodell's sign. goodell's sign in Medicine Expand. Goodell's sign GoodÂ·ell's sign (gud'Élz) n. An indication of pregnancy in which the cervix and vagina soften.
A flagellum is a whip-like structure that allows a cell to move. They are found in all three domains of the living world: bacteria, archaea, and eukaryota, also known as protists, plants, animals, and fungi.