parasphenoid bone

См. также в других словарях:

• Parasphenoid — Par a*sphe noid, a. [Pref. para + sphenoid.] (Anat.) Near the sphenoid bone; applied especially to a bone situated immediately beneath the sphenoid in the base of the skull in many animals. n. The parasphenoid bone. [1913 Webster] …   The Collaborative International Dictionary of English

• Sphenoid bone — Bone: Sphenoid bone Cranial Bones. Only the end of the wing of the sphenoid bone is visible …   Wikipedia

• parasphenoid — the median dermal bone extending along the base of the cranium, posterior to the prevomer (or vomer). May bear teeth, e.g. in Amia, or molariform teeth, e.g. in Albulidae …   Dictionary of ichthyology

• levator arcus palatini — a muscle originating on the parasphenoid bone and inserting on the medial surface of the pterygoid. It functions to expand the buccal cavity laterally …   Dictionary of ichthyology

• fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with …   Universalium

• Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …   Universalium

• Temnospondyli — Temnospondyls Temporal range: Early Carboniferous Early Cretaceous, 330–120 Ma Possible descendant taxon Lissamphibia survives to present …   Wikipedia

• Pelagornithidae — Temporal range: Late Paleocene Early Pleistocene 58.7–2.5 Ma …   Wikipedia

• reptile — reptilelike, adj. reptiloid /rep tl oyd /, adj. /rep til, tuyl/, n. 1. any cold blooded vertebrate of the class Reptilia, comprising the turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara, and various extinct members including the… …   Universalium

• os praevomere — (plural ossa praevomeria)) prevomer (a frequently toothed median or paired dermal bone in the middle of the roof of the mouth covering the ethmoid ventrally and in front of the parasphenoid. Often incorrectly called vomer, but this bone in… …   Dictionary of ichthyology

• prevomer — a frequently toothed median or paired dermal bone in the middle of the roof of the mouth covering the ethmoid ventrally and in front of the parasphenoid. Often incorrectly called vomer, but this bone in mammals is not homologous with the bone in… …   Dictionary of ichthyology