infiltration

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infiltration

 [in″fil-tra´shun]
1. the pathological accumulation in tissue or cells of substances not normal to them or in amounts in excess of the normal.
2. infiltrate (def. 2).
3. the deposition of a solution directly into tissue; see infiltration anesthesia.
adipose infiltration fatty infiltration.
calcareous infiltration deposit of lime and magnesium salts in the tissues.
cellular infiltration the migration and accumulation of cells within the tissues.
fatty infiltration
1. a deposit of fat in tissues, especially between cells.
2. the presence of fat vacuoles in the cell cytoplasm.
intravenous infiltration
1. the movement of a needle or cannula from within a vessel into the surrounding tissue. The typical symptoms are a slowed flow of fluids, swelling, pallor, coolness of the skin, and discomfort in the area; severity of the symptoms will depend on the amount and type of fluid infused.
2. inadvertent administration of parenteral fluid into the tissues.

in·fil·tra·tion

(in'fil-trā'shŭn),
1. The act of permeating or penetrating into a substance, cell, or tissue; said of gases, fluids, or matter held in solution.
2. The gas, fluid, or dissolved matter that has entered any substance, cell, or tissue. Synonym(s): infiltrate (2)
3. Injection of solution into tissues, as in infiltration anesthesia.
4. Extravasation of solutions intended for intravascular injection.

infiltration

/in·fil·tra·tion/ (in″fil-tra´shun)
1. the pathological diffusion or accumulation in a tissue or cells of substances not normal to it or in amounts in excess of the normal.
2. infiltrate (2).
3. the deposition of a solution directly into tissue; see under anesthesia.

adipose infiltration  fatty i.
calcareous infiltration  deposit of lime and magnesium salts in the tissues.
cellular infiltration  the migration and accumulation of cells within the tissues.
fatty infiltration 
1. a deposit of fat in tissues, especially between cells; the term describes an older concept now included in fatty change.
2. the presence of fat vacuoles in the cell cytoplasm.

infiltration

[in′filtrās′hən]
Etymology: L, in, within, filtare, to strain through
the process whereby a fluid passes into the tissues, such as when a local anesthetic is administered or an IV infusion infiltrates.

in·fil·tra·tion

(in'fil-trā'shŭn)
1. The act of permeating or penetrating into a substance, cell, or tissue; said of gases, fluids, or matter held in solution.
2. The gas, fluid, or dissolved matter that has entered any substance, cell, or tissue.
Synonym(s): infiltrate (2) .
3. Injection of solution into tissues, as in infiltration anesthesia.
4. Extravasation of solutions intended for intravascular injection.

infiltration

The movement into, or accumulation within, a tissue or organ, of cells or material not normally found therein. Cellular infiltration, as with LYMPHOCYTES, is often part of an immunological response.

in·fil·tra·tion

(in'fil-trā'shŭn)
1. The act of permeating or penetrating into a substance, cell, or tissue.
2. Injection of solution into tissues.
3. Extravasation of solutions intended for intravascular injection.

infiltration (in´filtrā´shən),

n 1. an accumulation in a tissue of a substance not normal to it.
2. the placement of a local anesthetic agent. See also anesthesia, infiltration.

infiltration

the diffusion or accumulation in a tissue or cells of substances not normal to it or in amounts in excess of the normal; also, the material so accumulated.

adipose infiltration
fatty infiltration.
infiltration anesthesia
the injection of a number of small amounts into the tissue around the operation site.
calcareous infiltration
deposit of lime and magnesium salts in the tissues.
cellular infiltration
the migration and accumulation of cells within the tissues.
fatty infiltration
1. a deposit of fat in tissues, especially between cells.
2. the presence of fat vacuoles in the cell cytoplasm.
urinous infiltration
the extravasation of urine into a tissue.