We found one dictionary that defines the word muscular structures:

General (1 matching dictionary)

1. muscular structures: Vocabulary.com

(Note: See muscular_structure as well.)

Definitions from WordNet (muscular structure) ▸ noun:  the muscular system of an organism ▸ Also see muscular_structure ▸ Words similar to muscular structures ▸ Usage examples for muscular structures ▸ Idioms related to muscular structures ▸ Wikipedia articles (New!) ▸ Words that often appear near muscular structures ▸ Rhymes of muscular structures ▸ Invented words related to muscular structures