Nodule may refer to:
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Nodule (geology), a small rock or mineral cluster
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Manganese nodule, a metallic concretion found on the seafloor
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Nodule (medicine)
In medicine, nodules are small firm lumps, usually greater than 1 cm in diameter. If filled with fluid they are referred to as cysts. Smaller (less than 0.5 cm) raised soft tissue bumps may be termed papules.
The evaluation of a skin nodule inc ...
, a small aggregation of cells
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Root nodule
Root nodules are found on the roots of plants, primarily legumes, that form a symbiosis with nitrogen-fixing bacteria. Under nitrogen-limiting conditions, capable plants form a symbiotic relationship with a host-specific strain of bacteria known a ...
, a growth on the roots of legumes
* A feature of
mollusc sculpture
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