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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 ?
Similarly, Deputy Defense Minister Danny Danon (Likud-Beytenu) responded to the infiltrator demand of audience in the Knesset, saying "they want to negotiate?
These organisations also coordinate through official channels with the country to which the infiltrators belong, to verify their identities and terminate the proceedings related to deporting them to their country's embassy.
Brigadier Abdullah Al Hosni, the Director-General of the Operations at the Royal Oman Police (ROP), attributes the significant drop of the infiltrators to the intensifying patrols in areas where agents hide such as industrial areas and farms as well as the coastguard's vigil.
Border guards have a humanitarian mission such as rescuing people from drowning and conducting first aid to sick infiltrators before transferring them to hospitals.
Infiltrators were arrested in the Governorates of Muscat and Musandam located on the Strait of Hormuz.
RIYADH: Saudi border guards arrested more than 19,000 infiltrators from troubled Yemen in June; nearly double the number caught the month before, a spokesman said Wednesday.
Al Menhali called on public to report violators or infiltrators, or those who shelter them through 'sahim service' with free toll 80080, warning those who deal with violators of the labour and residency laws.
Thousands of South Korean troops backed by helicopters, gunboats and tracker dogs searched a rugged, mountainous area this morning for armed North Korean infiltrators who apparently sneaked into South Korea by submarine early Wednesday.
Muscat: The Royal Oman Police (ROP), in collaboration with other military and security departments, last week arrested 37 infiltrators of different nationalities in many wilayats for entering the Sultanate illegally.
Manama: Saudi Arabia border security forces both in the north and south of the kingdom are ready to deal with any situation, including shooting any infiltrators trying to cross into the country illegally, a security official has said.
Muscat, Sept 18 (ONA) The Royal Oman Police (ROP), in collaboration with other military and security departments, arrested last week (137) infiltrators from different nationalities in a number of wilayats in the Sultanate for entering the country illegally and deported (88) infiltrators after taking the necessary legal actions, in coordination with their respective embassies for deportation.
Prince Mohammed bin Naif, interior minister, has ordered a high-powered committee drawn from security organs to go to the southern parts of the Kingdom to assess the effectiveness and viability of security arrangements in the face of infiltrators trespassing into the Kingdom's territory from the borders, local media reported.