| 释义 |
vocal sac
vocal sacn. An inflatable pouch on the floor of the mouth cavity of a male frog that amplifies sounds produced by the vocal cords.vocal sac n (Zoology) zoology either of the loose folds of skin on each side of the mouth in many male frogs that can be inflated and act as resonators vocal sac
vocal sac[′vō·kəl ‚sak] (vertebrate zoology) An expansible pocket of skin beneath the chin or behind the jaws of certain frogs; may be inflated to a great volume and serves as a resonator. vocal sac
vocal sacn. An inflatable pouch on the floor of the mouth cavity of a male frog that amplifies sounds produced by the vocal cords. |