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1. Pathol any substance that passes into and accumulates within cells, tissues, or organs
2. Pathol a local anaesthetic solution injected into the tissues to cause local anaesthesia



an accumulation in bodily tissues of cellular elements admixed with blood and lymph. Inflammatory and tumorous infiltrates occur most often.

An inflammatory infiltrate consists chiefly of polymorphonuclear leukocytes (suppurative infiltrate), erythrocytes (hemorrhagic infiltrate), lymphoid cells (round cell infiltrate), and histiocytes and plasma cells (histiocyte-plasma cell infiltrate). These infiltrates may be resolved, may liquefy, or may undergo sclerosis and form caverns, abscesses, scars, and so forth.

A tumorous infiltrate consists of tumor cells of different kinds (carcinoma, sarcoma); it is a manifestation of the infiltrating growth of a tumor. When an infiltrate forms, the tissue enlarges, changes color, and becomes harder and sometimes painful. In surgical practice, an infiltrate is an induration that develops in tissues when they become saturated with an anesthetic.


References in periodicals archive ?
While leftist organizations have claimed the infiltrators are refugees, figures presented by the state have shown the overwhelming majority of them are not refugees, but rather work migrants breaking the law in a search of greater job opportunities.
A central component of this plan is the construction of a fence along the western border which prevents infiltrators from crossing.
For his part, "ousted" Egyptian President Hosni Mubarak said that the protesters in Egypt were mobilized by thousands of infiltrators who received training abroad.
Lee Kwang Soo, the only captured infiltrator, remained in South Korea.
Michael Dvorak, Infiltrator's vice president of sales and marketing, said that Infiltrator chamber systems can be as much as 50 to 60 percent smaller than stone and pipe installations, and eliminate the labor of mining, crushing, and hauling stone.
Since its inception in 1987, Infiltrator has introduced innovative products that meet increasingly stringent environmental and regulatory onsite wastewater treatment requirements.
Investigations with the infiltrator showed that he had no official documents nor weapons," he said, adding he will be investigated to find out why he entered Iraqi territories illegally.
Infiltrator chambers and Contour Swivel are made from PolyTuff[TM], a proprietary blend of recycled resins that provides strength and chemical resistance.
South Korean troops opened fire shortly after daybreak today when they spotted a North Korean infiltrator on a mountain slope, officials said.
MINNEAPOLIS -- Goldsmith Agio Helms is pleased to announce the completed sale of its client, Infiltrator Systems, Inc.
In response to the thousands of illegal immigrants amassing in the Wohl Rose Garden just north of the Knesset, far left Knesset members requested that infiltrator representatives be allowed into the parliament building.
South Korean state television said the 20th infiltrator exchanged gunfire with South Korean security forces before waving some white clothing to signal surrender.