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 lumps which commonly arise within an otherwise normal thyroid gland.