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nodule

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nodule

 [nod´ūl]
a small node that is solid and can be detected by touch.
Albini's n's gray nodules of the size of small grains, sometimes seen on the free edges of the atrioventricular valves of infants; they are remains of fetal structures.
apple jelly n's minute, yellowish or reddish brown, translucent nodules, seen on diascopic examination of the lesions of lupus vulgaris.
Aschoff's n's Aschoff's bodies.
Gamna n's brown or yellow pigmented nodules seen in the spleen in certain cases of enlargement, such as Gamna's disease and siderotic splenomegaly.
Jeanselme's n's (juxta-articular n's) gummata of tertiary syphilis and of nonvenereal treponemal diseases, located on joint capsules, bursae, or tendon sheaths.
lymphatic nodule
2. a small dense accumulation of lymphocytes found within the cortex of a lymph node, expressing the cytogenic and defense functions of the tissue. Called also lymph or lymphatic follicle.
milker's n's hard circumscribed nodules on the hands of those who milk cows affected with cowpox.
rheumatic n's small, round or oval, mostly subcutaneous nodules made up chiefly of a mass of Aschoff's bodies and seen in rheumatic fever.
Schmorl's nodule Schmorl's node.
singer's n's vocal cord nodules.
surfer's n's hyperplastic, fibrosing granulomas occurring over bony prominences of the lower limbs and feet as a result of repeated trauma from kneeling on surfboards.
teacher's n's vocal cord nodules.
typhus n's minute nodules produced by perivascular infiltration of polymorphonuclear leukocytes and mononuclear cells in rickettsial disease; they were originally described in typhus.
nodule of vermis the part of the vermis of the cerebellum, on the ventral surface, where the inferior medullary velum attaches.
vocal n's (vocal cord n's) small white nodules appearing on the vocal cords in chorditis tuberosa with excessive use of the voice; called also singer's nodes or nodules and teacher's nodes or nodules.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

nod·ule

(nod'yūl), [TA]
A small node; in skin, a node up to 1.0 cm in diameter, solid, with palpable depth; a pulmonary or pleural lesion seen on a radiographic image as a well-defined, discrete, roughly circular opacity 2-30 mm in diameter. Compare: mass.
Synonym(s): nodulus (1) [TA]
[L. nodulus, dim. of nodus, knot]
Farlex Partner Medical Dictionary © Farlex 2012

nodule

(nŏj′o͞ol)
n.
1. A small knotlike protuberance.
2. Medicine A small, abnormal but usually benign mass of tissue, as on the thyroid gland, in the lung, or under the skin.
3. Botany A small knoblike outgrowth, especially one on the roots of a leguminous plant that contains bacteria that fix nitrogen.
4. Mineralogy A small rounded lump of a mineral or mixture of minerals, usually harder than the surrounding rock or sediment.

nod′u·lar (nŏj′ə-lər), nod′u·lose′ (-lōs′)(-ləs), nod′u·lous (-ləs) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

nodule

The most commonly used medical term for a small node, bump, swelling, or protuberance.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

nodule

A small node, bump, swelling, protuberance. See Apple jelly nodule, Cold nodule, Hot nodule, Pseudorheumatoid nodule, Renal nodule, Rheumatoid nodule, Satellite nodule, Sister Mary Joseph nodule, Solitary thyroid nodule, Surfer's nodule, Tobacco nodule, Typhoid nodule, Warm nodule.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

nod·ule

(nod'yūl) [TA]
A small node.
Synonym(s): nodulus (1) .
[L. nodulus, dim. of nodus, knot]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

nodule

A small, solid knot-like lump of tissue occurring anywhere in the body. Nodules in the skin are easily felt. The term implies nothing about the nature of the lump.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

nodule

  1. any small spherical swelling.
  2. short for root nodule. (see NITROGEN FIXATION).
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Nodule

A swelling or knob that may form on a tendon and make it difficult to slide smoothly through its sheath.
Mentioned in: Mycetoma, Trigger Finger
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

nodule

A small, circumscribed mass of tissue or an aggregation of cells.
Busacca's nodule's Nodules often found in the iris stroma of an eye affected by granulomatous uveitis (up to about 30% of cases). Syn. floccules of Busacca. See iris nodules.
Dalen-Fuchs nodule's Multiple, small yellow-white mounds consisting mainly of epithelial cells protruding through the retinal pigment epithelium. They are seen in the fundus of an eye with sympathetic ophthalmia, Vogt-Koyanagi-Harada syndrome or some other granulomatous inflammations.
iris nodule's Small, solid elevations found on the iris and epithelial cells and lymphocytes. They are usually whitish or grey, depending on their location. See Busacca's nodules; Koeppe's nodules; Lisch nodule.
Koeppe's nodule's Small nodules frequently found on the iris around the pupillary margin of an eye affected by granulomatous uveitis. See iris nodules.
Lisch nodule A small, abnormal, lightly pigmented swelling which develops on the surface of the iris in almost all patients with neurofibromatosis type 1 during the second or third decades of life. See von Recklinghausen's disease.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann

nod·ule

(nod'yūl)
1. A small node; in skin, a node up to 1.0 cm in diameter, solid, with palpable depth.
2. A pulmonary or pleural lesion seen on a radiographic image as a well-defined, discrete, roughly circular opacity.
[L. nodulus, dim. of nodus, knot]
Medical Dictionary for the Dental Professions © Farlex 2012
Mentioned in
References in periodicals archive
Production of extracellular polysaccharides by a Rhizobium species from root nodules of the leguminous tree Dalbergia lanceolaria.
Dubrovo et al., "Role of the peribacteroid membrane in the interactions of ths symbiotic partners in the nitrogen-fixing root nodules of Lupinus luteus L.," in Nitrogen Fixation: Fundamentals and Applications, I.
is essential for nitrogen fixation by the Rhizobiumlegume root nodule symbiosis.
(1983a) reported that bark charcoal powder containing a small amount of chemical fertiliser was efficient for arbuscular mycorrhiza and root nodule formation in soybean plants.
In the root nodule associations, reciprocal induction of gene expression by the partners is essential for all phases of nodule morphogenesis and maturation (Niner and Hirsch, 1998); i.e., an already existing, functional root hair and root cortex are recruited and transformed into the nitrogen-fixing nodule as a direct result of interaction with rhizobia or their secreted gene products.
Root nodule anatomy, type of export product, and evolutionary origin in some Leguminosae.
In both waterlogged plants and controls, the DM weight of taproot nodules was significantly greater than that of lateral root nodules 20 days after the start of the treatment (P < 0.05).
Effect of salinity and sodicity on the symbiosis between root nodule bacteria and guar (Cyamopsis tetragonoloba L.).
Mean (1973-2005) annual C input to soil (0-0.45 m depth) from rainfed soybean, wheat, and soybean-wheat system under different fertiliser treatments HY, Harvestable above-ground biomass (shoot) yield; RD, rhizodeposition; TCI, total C input by the system Soybean HY Leaf- Root Nodule RD Treatment (kg/ha) fall C input (kg/ha) FYM Total Control 1301 48 167 17 130 -- 362 NP 2146 126 246 28 215 -- 645 NK 1605 47 191 20 161 -- 419 NPK 3410 276 400 57 341 -- 1074 N + FYM 5809 426 567 75 581 1587 3236 NPK + FYM 7170 515 729 95 717 1587 3644 Mean 3574 240 383 49 358 -- 1563 1.s.d.
We sampled isolates of root nodule bacteria from each plant lineage and used laboratory inoculation tests and multilocus enzyme electrophoresis to answer the following three questions.
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