Which term describes between a more medial and a more lateral structure?

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In anatomy, terms that describe left-to-right positioning are used to tell where something sits between the midline and the outer side. When something lies between a more medial structure (closer to the midline) and a more lateral structure (toward the outside), that location is described as intermediate. It captures that spot right between those two references along the medial-lateral axis.

Medial and lateral themselves describe being toward the midline or away from it, not about being between two points. Proximal describes closeness to where a limb attaches to the body, which is a different directional axis altogether. So the term that best fits “between a more medial and a more lateral structure” is intermediate.