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Intramuscular injection, often abbreviated IM, is the injection of a substance into a muscle. In medicine , it is one of several methods for parenteral administration of medications. Intramuscular injection may be preferred because muscles have larger and more numerous blood vessels than subcutaneous tissue, leading to faster absorption than ...
Engraving by Justus Lipsius of a vertical impalement. Impalement, as a method of torture and execution, is the penetration of a human by an object such as a stake, pole, spear, or hook, often by the complete or partial perforation of the torso.