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Lesser wing of sphenoid bone information


Lesser wing of sphenoid bone
Figure 1: Sphenoid bone, upper surface.
Figure 2: Sphenoid bone, anterior and inferior surfaces.
Details
Identifiers
Latinala minor ossis sphenoidalis,
ala orbitalis ossis sphenoidalis,
ala parva ossis sphenoidalis
TA98A02.1.05.020
TA2604
FMA52869
Anatomical terms of bone
[edit on Wikidata]

The lesser wings of the sphenoid or orbito-sphenoids are two thin triangular plates, which arise from the upper and anterior parts of the body, and, projecting lateralward, end in sharp points [Fig. 1].

In some animals, they remain as separate bones called orbitosphenoids.

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Lesser wing of sphenoid bone

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Wing of sphenoid bone or ala ossis sphenoidalis can refer to: Greater wing of sphenoid bone (ala major ossis sphenoidalis) Lesser wing of sphenoid bone...

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Anterior clinoid process

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posterior projection of the sphenoid bone at the junction of the medial end of either lesser wing of sphenoid bone with the body of sphenoid bone. The bilateral...

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posterior margins of the lesser wings of the sphenoid bone, the anterior clinoid processes, and the ridge forming the anterior margin of the chiasmatic groove;...

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by the (caudal surface of the) lesser wing of the sphenoid bone, and (medial border of the) greater wing of the sphenoid bone. The superior orbital fissure...

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the sphenoid bone; it is bounded medially by the body of the sphenoid and laterally by the lesser wing of the sphenoid. The superior surface of the sphenoid...

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edge of the lesser wing of either sphenoid bone. It drains into the cavernous sinus. A sphenoparietal sinus is situated under each lesser wing of the sphenoid...

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leptomeninx lesser occipital nerve lesser omentum lesser palatine foramen lesser petrosal nerve Lesser trochanter lesser wing of sphenoid levator muscle...

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