nodule

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nodule:

see concretionconcretion,
mass or nodule of mineral matter, usually oval or nearly spherical in shape, and occurring in sedimentary rock. It is formed by the accumulation of mineral matter in the pore spaces of the sediment, usually around a fossil or fossil fragment acting as a nucleus.
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nodule

[′näj·ül]
(anatomy)
A small node.
A small aggregation of cells.
(botany)
A bulbous enlargement found on roots of legumes and certain other plants, whose formation is stimulated by symbiotic, nitrogen-fixing bacteria that colonize the roots.
(geology)
A small, hard mass or lump of a mineral or mineral aggregate characterized by a contrasting composition from and a greater hardness than the surrounding sediment or rock matrix in which it is embedded.
(medicine)
A primary skin lesion, seen as a circumscribed solid elevation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

nodule

1. any of the knoblike outgrowths on the roots of clover and many other legumes: contain bacteria involved in nitrogen fixation
2. Anatomy any small node or knoblike protuberance
3. a small rounded lump of rock or mineral substance, esp in a matrix of different rock material
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
In 22% (n=29) of PTMC patients solitary nodule was present, in 73.5% (n=97) multiple nodules and in 4.5% (n=6) solely diffuse thyroiditis were detected.
Nine of the exposed farmers had abnormal thyroid ultrasound findings, consisting mostly of solitary nodules, compared with three among the control group.
The team proposed to perform thoracic resection of the MIBI-positive mediastinal solitary nodule using a robotic assisted approach.
Out of three solitary nodules, one case was eventually turned out to be HT with papillary carcinoma of thyroid.
Agenesis of isthmus of the thyroid gland in a patient with gravesbasedow disease and a solitary nodule. Case Rep Surg 2013: 608481.
All cases were clinically solitary nodule with a predominance of papillary carcinoma and follicular carcinoma on histopathology diagnosis.
Isolated tuberculosis thyroiditis as a solitary nodule. J Coll Physicians Surg Pak.
The presence of an extrathoracic malignancy does not necessarily mean a solitary nodule is metastatic.
Definition of Solitary Thyroid Nodule: A discrete swelling in an otherwise impalpable gland is termed isolated or solitary nodule of thyroid.
The distribution of cases according to the clinical diagnosis and the treatment received is shown in Table 1 - multi Nodular Goitre being the commonest diagnosis, followed by the solitary nodule. Among the multinodular goitre patients, 50.96% and 20.8% of patients underwent subtotal and hemi thyroidectomy surgeries respectively.
Ophthalmopathy was associated with diffuse goiter in 97 (71%) patients; MNG in 19 (14%); no goiter in 15 (11%); and solitary nodule in 6 (4.5%) patients.
We describe the case of a 9-year-old girl who presented with a solitary nodule in the left cheek and a history of minor trauma.