invasion

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invasion

1. Pathol the spread of cancer from its point of origin into surrounding tissues
2. Ecology the movement of plants to a new area or to an area to which they are not native

Invasion

 

(infestation), the infection of man, animals, and plants by animal parasites.

Invasion may be active, as when a parasite attacks or penetrates the body of the host through injured or intact skin, or passive, brought into the body with water or food.

invasion

[in′vā·zhən]
(geology)
The movement of one material into a porous reservoir area that has been occupied by another material.
(medicine)
The phase of an infectious disease during which the pathogen multiplies and is distributed; precedes signs and symptoms.
The process by which microorganisms enter the body.
References in periodicals archive ?
Not in my name do you invade any more Muslim nations in the name of making America safe.
The leader of a smaller European country tried to invade Russia.
The war had its origins in July 1990, when Hussein openly threatened to invade Kuwait if it did not change its policy of selling oil below market prices, which the Iraqi dictator claimed was costing Iraq revenue.
What Charos didn't know at the time was that he was treating one of the earliest victims of West Nile virus (nonliving particle that invades and reproduces in a living cell) in the U.
In the summer of 1990, for instance, he was a junior CIA analyst dashing off prescient, but largely disregarded, memos predicting that Saddam Hussein would invade Kuwait.
The exercise is a smokescreen to enable UNICEF to invade the very interface between children and their parents.
The general power of appointment martial trust qualifies for the marital deduction and grants the surviving spouse the power to invade or, in general, appoint the trust principal and income.
2) The propensity of adenoid cystic carcinoma of the parotid gland to invade peripheral nerves was first described by Quattlebaum in 1946.
But most Los Angeles-area Democrats who voted in October 2002 to give President Bush the green light to invade Iraq sidestepped that hypothetical question - which even Sen.
Gardening books recommend these East Asian, shade-tolerant border plants because the 10-inch clumps of vegetation "don't creep"--that is, invade surrounding areas.
He says that if John Sharpe, a 65-year-old divorced father of two, can use such material in good conscience then why should the court invade his privacy?