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SPHENOID BONE-ARTICULATIONS

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SPHENOID BONE-ARTICULATIONS

1. Front of the body is projected into a prominent rostrum, which articulates with the perpendicular plate of the ethmoid at the upper posterior part of the nasal septum.

2. Inferiorly the rostrum articulates with the vomer at the back of the nasal septum.

3. The perpendicular plate of the palatine bone articualtes with the medial pterygoid plate (of the sphenoid) to form the medial wall of the pterygopalatine fossa.

4. Posteriorly the body of the sphenoid (called basisphenoid) articulates with the basiocciput at the spheno-occipital synchondrosis.

5. The posteromedial border of the greater wing articulates with the apex of the petrous temporal bone at the foramen lacerum.

6. The curved posterolateral border articulates with the squamous temporal bone.

7. The upper border of the greater wing articulates with the parietal + frontal bones + temporal bones at the pterion.

8. The anteror border articulates with the zygomatic bone.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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