Wrigley Field Neighbors Race to Wrigley Cubs Scholars Fitness Trolley Diamond Project Cubs Caravan Charitable Giving Fundraising Efforts In-Kind Donations Neighborhood Protection Activities Players Pitch In
nodule - (mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment) mineralogy - the branch of geology that studies minerals: their structure and properties and the ways of distinguishing them.
Thyroid nodules are growths of abnormal tissue that develop on the thyroid gland. These lumps may be solid or cystic and fluid-filled. A solid thyroid nodule is more likely than a cystic nodule to be malignant. More than 90% of all solid nodules, however, are benign.