Definition of "nodules" []

• Plural form of nodule. (noun)

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• "Because of this, it was not actually seen until 1974, when Soviet scientists successfully recovered nodules from the floor of the Black Sea."
• "Endometriosis is a puzzling hormonal and immune system disease in which tissue like that of the uterine lining (endometrium) grows outside the uterus (the tissue is sometimes called nodules, tumors, lesions, or implants)."
• "The nodules are a reddish colour because they contain a form of haemoglobin, similar to the oxygen-transporting molecule that makes our blood red."