Final answer:
Gastric gavage is a procedure of administering substances directly into the stomach using a tube. It is used for accurate dosing, bypassing the oral route, and facilitating direct access to the stomach for treatment or experimentation.
Step-by-step explanation:
Gastric gavage refers to the process of administering substances or medications directly into the stomach using a tube. It is commonly used in medical procedures and research to deliver nutrients, medications, or contrast agents for diagnostic imaging. Indications of gastric gavage include the need for accurate dosing, bypassing the oral route, and facilitating direct access to the stomach for treatment or experimentation.