induration


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induration

[‚in·də′rā·shən]
(biology)
The process of hardening, especially by increasing the fibrous elements.
(geology)
The hardening of a rock material by the application of heat or pressure or by the introduction of a cementing material.
A hardened mass formed by such processes.
The hardening of a soil horizon by chemical action to form a hardpan.
(medicine)
Hardening of a tissue or organ due to an accumulation of blood, inflammation, or neoplastic growth.
References in periodicals archive ?
In this study, there was a relationship between BCG scar counts and the induration diameter.
An induration of broken coal masses bound with expandable material with high water content was 40 mm high, with a diameter of 50 mm, representing the strength of the induration after the slurry was injected into the borehole (as shown in Figure 5(b)).
His physical examination was significant for an extensive area of induration in the right upper back extending into the back of the neck, measured about 25 cm x 20 cm in size, and had a 3 cm x 4 cm x 3 cm area of fluctuation with erythema and tenderness (Figure 1).
The TST was performed according to the Mantoux method by injecting 5 tuberculin units (TU) of purified protein derivative into the inner surface of the forearm and then measuring the maximal size of the induration after 72 hours, as recommended [6].
Non-tender induration of the right flank was present.
Examination under anesthesia demonstrated phimosis with purulent drainage from the phimotic ring as well as induration of the penile shaft (Figure 1).
It is performed by injecting 0.1 mL (5 TU) of the purified protein derivative (PPD) on the volar surface of the forearm using a 27-gauge needle and measuring the induration after 48-72 h.
Perineal nodular induration (PNI), or biker's nodule, is a rare, bothersome, pseudotumour.
6 Endermic induration and inflammation in injection site can influence the insulin absorption and change qualities of insulin to some extent.
Physical examination revealed multiple well-demarcated oval and geographic plaques with central white induration with areas of superficial erosion and pink peripheral borders on the breasts, inframammary folds, midchest, and abdomen that were exquisitely tender to light palpation.