AGNATHOUS | • agnathous adj. Jawless. • agnathous adj. (Pathology) Afflicted by or characteristic of agnathia. • AGNATHOUS adj. lacking jaws, esp. of hagfish and lampreys. |
EPIGNATHOUS | • epignathous adj. (Zoology) hook-billed; having the upper mandible longer than the lower one. • EPIGNATHOUS adj. having a protruding upper jaw. |
HYPOGNATHOUS | • hypognathous adj. (Zoology) Having the maxilla, or lower jaw, longer than the upper jaw. • HYPOGNATHOUS adj. having the lower jaw or mandible protruding. |
MESOGNATHOUS | • mesognathous adj. (Anatomy) having the jaws slightly projecting; between prognathous and orthognathous. • MESOGNATHOUS adj. having slightly projecting jaws. |
METAGNATHOUS | • metagnathous adj. (Zoology) having the mandibles crossing at the tip of the bill, as in the crossbill. • METAGNATHOUS adj. having a beak in which the tips of the mandibles cross. |
OPISTHOGNATHOUS | • opisthognathous adj. (Zoology) Having retreating jaws or teeth. • OPISTHOGNATHOUS adj. with receding jaws. |
ORTHOGNATHOUS | • orthognathous adj. (Anatomy) straight-jawed. • ORTHOGNATHOUS adj. having a lower jaw that neither projects nor recedes, also ORTHOGNATHIC. |
PARAGNATHOUS | • paragnathous adj. (Zoology) having both mandibles of equal length, with the tips meeting, as in certain birds. • PARAGNATHOUS adj. having equal mandibles. |
PLECTOGNATHOUS | • plectognathous adj. Alternative form of plectognathic. • PLECTOGNATHOUS adj. belonging to an order of bony fishes including filefishes, also PLECTOGNATHIC. |
PROGNATHOUS | • prognathous adj. Having jaws that project forward more than is usual. • PROGNATHOUS adj. having a jaw that projects forward, also PROGNATHIC. |
SAUROGNATHOUS | • saurognathous adj. (Zoology) having the bones of the palate arranged as in saurians, the vomer consisting of two lateral… • SAUROGNATHOUS adj. having a lizard-like arrangement of the palate-bones (as e.g. woodpeckers). |
SCHIZOGNATHOUS | • schizognathous adj. (Zoology) having the maxillopalatine bones separate from each other and from the vomer, which is pointed… • SCHIZOGNATHOUS adj. of some birds, having the bones of the palate separate. |
SYNGNATHOUS | • syngnathous adj. (Zoology) Relating to the Syngnathi. • SYNGNATHOUS adj. of certain fish, having the jaws fused to form a tubular structure. |