Swellings on root of most Fabaceae; produced by bacteria (e g Rhizobium spp ) associated with the roots of these plants These bacteria are able to fix atmospheric nitrogen and to accumulate it in the nodules Different from the term "nodule" applied to early stages of attachment of parasitic plants
The most severe form of acne lesion, a nodule is a large, deep-seated, pus-filled, often painful lump Acne with nodules often results in permanent scarring and requires treatment by a physician Sometimes called an acne "cyst "
a small node or knob-like area of tissue; in rheumatoid arthritis patients may develop rheumatoid nodules especially over the forearms which are often associated with a more aggressive form of arthritis
a small node (mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment) small rounded wartlike protuberance on a plant A person of rank above a commoner; a nobleman; a peer
A nodule is a small round lump which is found on the roots of certain plants. a small round raised part, especially a small swelling on a plant or someone's body (nodulus, from nodus; NODE). In geology, a rounded mineral concretion that is distinct from, and may be separated from, the formation in which it occurs. Nodules usually are elongated and have a knobby irregular surface; they are generally oriented parallel to the bedding. Chert and flint, clay ironstone, and phosphorites commonly occur as nodules. Manganese-rich nodules are found on the ocean floor
A large, usually roughly spherical piece of stone such as flint which was selected as a material from which to remove flakes or blades for the manufacture of stone tools and projectile points