Mylohyoid is a term used in anatomy that refers to a muscle located in the neck region. It is an important muscle that helps in the movement of the tongue and jaw. Although there are no direct synonyms for the term mylohyoid, there are similar terms that are used in the field of anatomy. These include "submandibular fossa" which is a depression on the inner side of the mandible, and "submandibular gland" which is a salivary gland located below the jaw. Other related terms include "hyoid bone" which is a bone located in the neck and "styloglossus muscle" which is a muscle that helps move the tongue.