Medical Definition of Os pterygoideum

1. A long process extending downward from the junction of the body and great wing of the sphenoid bone on either side; it is formed of two plates (lateral and medial), united anteriorly but separated below to form the pterygoid notch; the pterygoid fossa is formed by the divergence of these two plates posteriorly. Synonym: processus pterygoideus, os pterygoideum. (05 Mar 2000)

Lexicographical Neighbors of Os Pterygoideum

os multangulum majus
os multangulum minus
os nasale
os naviculare
os naviculare manus
os occipitale
os odontoideum
os orbiculare
os palatinum
os parietale
os pisiforme
os planum
os pneumaticum
os premaxillare
os pterygoideum (current term)
os pyramidale
os sacrum
os scaphoideum
os sesamoideum
os sphenoidale
os subtibiale
os suprasternale
os sylvii
os tarsi fibulare
os temporale
os tibiale posterius
os trapezium
os trapezoideum

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