injection

As a noun injection

is the act of injecting, or something that is injected.

As an adjective preinjection is

before an injection is administered.

As a noun injection

is the act of injecting, or something that is injected.

As an adjective postinjection is

after an injection is administered.

As nouns the difference between injection and kyphoplasty

is that injection is injection while kyphoplasty is (surgery) a medical procedure that restores the original height and angle of kyphosis of a fractured vertebra and then stabilizes it with the injection of bone filler material.

As a noun injection

is the act of injecting, or something that is injected.

As an adjective uninjected is

not having received an injection.

As nouns the difference between injection and microinjection

is that injection is injection while microinjection is injection (especially of biological material) using a micropipette.