Definition: Amphiarthrodial (Aham-PHIR-rah-droh-dah) refers to a small, muscular organ located near the mouth that produces saliva for swallowing food. It's often referred to as "the mouth part" or "the tongue part," depending on context. The term comes from Greek and has roots in the ancient Mesopotamian language. In English usage, "amphiarthrodial" can mean the lower jaw bone (also called "the pharynx") which is vital for swallowing food but lacks the ability to speak or understand written language.
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