What is a common medical procedure that creates an artificial opening in the body?

The creation of an artificial opening in the body is specifically referred to as a colostomy. This medical procedure involves surgically creating an opening in the abdominal wall connected to the colon, allowing stool to bypass the rectum and exit the body through a stoma. It is often performed in cases where a portion of the colon needs to be removed or when there are obstructions or diseases affecting the colon and rectum.

In contrast, while other medical terms such as "surgery" can encompass a wide range of procedures, they do not specifically denote the creation of an artificial opening. Biopsy refers to the removal of tissue for diagnostic examination and does not involve creating an opening for bodily functions. Immunization is a preventive measure involving vaccines to protect against diseases and does not pertain to surgical procedures or openings in the body. Thus, a colostomy directly correlates with the definition provided in the question.