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The hypodermic needle theory was invented by Harold Lasswell in 1927. He states that Media can 'inject' ideas/behaviours directly into a passive audience or society.
The modern hypodermic needle was invented in 1853 by Alexander Wood, a Scottish physician, and independently in the same year by Charles Pravaz, a French surgeon.
needle, hypodermic needle, hypo
the hypodermic needle
A hypodermic needle. a record player needle
Hypodermic needle.
on the internet
A syringe with a calibrated barrel, plunger, and tip, used with a hypodermic needle for hypodermic injections and for aspiration. (Medical Dictionary)
....with a hypodermic needle?
alexander wood invednted the hypodermic needle because it would be easier for the doctors to take out blood substances from the body.
A hypodermic is a needle used to inject medicines and drugs. A hypodermic should never be reused because of the risk of contamination.