Which anatomical position term refers to a structure located on the same side of the body?

The term that refers to a structure located on the same side of the body is "ipsilateral." This term is often used in anatomy to help describe the location of structures, allowing for clearer communication regarding their positions relative to one another. For instance, if a person has a pain in their left arm, any damages or issues that arise in structures on the left side would be considered ipsilateral.

Contralateral, in contrast, refers to structures that are on opposite sides of the body, such as the left arm being contralateral to the right arm. Unilateral describes a condition affecting one side of the body but doesn't specifically denote which side. Transverse refers to a plane that divides the body into superior (upper) and inferior (lower) parts, not to the relative positioning of structures themselves. Thus, in the context of the question, "ipsilateral" is specifically appropriate for indicating structures that are on the same side.