the three most commonly used sites for intramuscular injections are
Intramuscular injection Possible sites for IM injection include: deltoid, dorsogluteal, rectus femoris, vastus lateralis and ventrogluteal muscles.[2] Sites that are bruised, tender, red, swollen, inflamed or scarred are avoided.[1]
Small intestine Food from the stomach is allowed into the duodenum through the pylorus by a muscle called the pyloric sphincter.
Small intestine Absorption of the majority of nutrients takes place in the jejunum, with the following notable exceptions:
Bracket Forms include round (also called "parentheses"), square, curly (also called "braces"), and angle brackets (also called "chevrons"); and various other pairs of symbols.