What Is Hyomandibular Pouch?

The hyomandibula, commonly referred to as hyomandibular [bone] (Latin: os hyomandibulare, from Greek: hyoeides, "upsilon-shaped" (υ), and Latin: mandibula, "jawbone") is a set of bones that is found in the hyoid region in most fishes. It usually plays a role in suspending the jaws and/or operculum (teleostomi only).

What is a hyomandibula a part of?

Definition: The hyomandibula is the large, dorsal-most member of the hyoid arch. It begins ossifying in the dorsal edge of the hyosymplectic cartilage near the hyomandibular foramen (4.6 mm NL). ... A posterior knob of bone develops, also capped in cartilage, and it forms a synovial joint with the opercle.

Do humans have a hyomandibula?

Your ability to hear relies on a structure that got its start as a gill opening in fish, a new study reveals. Humans and other land animals have special bones in their ears that are crucial to hearing.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.