First Dorsal Interosseous Muscle of the Foot

**Semantic type:** Anatomical Structure

**Definition:** A dorsal interosseous muscle of the foot that originates on the lateral side of the first metatarsal and the medial side of the second metatarsal, and inserts into the medial side of the base of the proximal phalanx of the second toe.

**Synonyms:** - FIRST DORSAL INTEROSSEOUS MUSCLE OF THE FOOT