endopterygoid

English

Noun

endopterygoid (plural endopterygoids)

1. A certain jaw bone in reptiles or fish.
   • 2004, Brad Pusey, Freshwater Fishes of North-eastern Australia:

     The lower jaw articulates against the suspensorium, a series of pairs of bones comprised of the palatines, endopterygoids, metapterygoids, ectopterygoids, quadrates, symplectics and hyomandibulars.

   • 2004, D.R. Khanna, Biology Of Fishes:

     Palatines and pterygoids (ectopterygoids and endopterygoids) are membrane bones formed in relation to the palatopterygoquadrate bar.

   • 2010, Terry Grande, Gonorynchiformes and Ostariophysan Relationships:

     The endopterygoids are also dermal bones in origin and largely form the floor of the orbit.