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Intravenous injection or therapy.
intravenous is what it's called because it's injected into the blood directly by the means of the vein.
Properly, it is called intravenous injection, but the slang terms shooting up and mainlining also mean the same thing.
hemogramology
An injection into muscle is called 'an intramuscular injection.'
Intravenous .
Airless injection or solid injection - Injection of fuel directly inti the combustion chamber without primary atomisation is called airless injection. it is nothing but mechanical injection only.
an injection under the skin is called a sucutaneous injection.
A contrast medium
A contrast agent
It's not, Africa is called The Land of Contrast. Argentina is called The Land of Silver.
Planned investment is called an injection because it refers to new spending or investment that is added to the circular flow of income and expenditure in an economy. It injects additional income and spending into the economy, stimulating economic activity and potentially increasing aggregate demand. In contrast, unplanned changes in inventory levels are called leakages because they remove income and spending from the circular flow.