pterosphenoid

pterosphenoid
the paired, deep, endochondral bone roofing the skull lying under the frontal, and posterior to the orbitosphenoid. Miscalled alisphenoid and pleurosphenoid but these bones in mammals and reptiles respectively are not homologous

Dictionary of ichthyology. 2009.

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  • Osmeriformes — Delta Smelt, Hypomesus transpacificus (Osmeroidei: Osmeridae) Scientific classification Kingdom …   Wikipedia

  • alisphenoid — term misapplied in older literature to the pterosphenoid (q.v.) of fishes. It is not homologous with the alisphenoid of mammals and should not be used …   Dictionary of ichthyology

  • auditory capsule — cartilaginous skeleton about the inner ear in Elasmobranchii, a chondral skeleton in bony fishes comprised of the prootic, opisthotic (or its replacement), intercalar, epiotic (or exoccipital), sphenotic, pterosphenoid and basipshenoid as walls… …   Dictionary of ichthyology

  • capsula auditiva — (plural capsulae auditivae) auditory capsule (cartilaginous skeleton about the inner ear in Elasmobranchii, a chondral skeleton in bony fishes comprised of the prootic, opisthotic (or its replacement), intercalar, epiotic (or exoccipital),… …   Dictionary of ichthyology

  • os alisphenoidale — (plural ossa alisphenoidalia)) alisphenoid (term misapplied in older literature to the pterosphenoid (q.v.) of fishes. It is not homologous with the alisphenoid of mammals and should not be used) …   Dictionary of ichthyology

  • os pleurosphenoideum — (plural ossa pleurosphenoidea)) pleurosphenoid (misnomer for pterosphenoid, q.v., since it is not homologous with the reptilian pleurosphenoid) …   Dictionary of ichthyology

  • os pterosphenoideum — (plural ossa pterosphenoidea)) pterosphenoid (the paired, deep, endochondral bone roofing the skull lying under the frontal, and posterior to the orbitosphenoid. Miscalled alisphenoid and pleurosphenoid but these bones in mammals and reptiles… …   Dictionary of ichthyology

  • os sphenoticum — (plural ossa sphenotica)) sphenotic (a deep bone below the frontal, above the pterosphenoid (or alisphenoid) and under the dermosphenotic. Also called autosphenotic) …   Dictionary of ichthyology

  • pleurosphenoid — misnomer for pterosphenoid, q.v., since it is not homologous with the reptilian pleurosphenoid …   Dictionary of ichthyology

  • sphenotic — a deep bone below the frontal, above the pterosphenoid (or alisphenoid) and under the dermosphenotic. Also called autosphenotic …   Dictionary of ichthyology

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