Pterygospinous ligament

Pterygospinous ligament
Details
From	Sphenoid bone
To	Lateral pterygoid plate
Identifiers
Latin	ligamentum pterygospinale
TA	A03.1.01.002
FMA	72314
*Anatomical terminology* [edit on Wikidata]

The pterygospinous ligament stretches from the upper part of the posterior border of the lateral pterygoid plate to the spinous process of the sphenoid.

Structure

Variation

It occasionally ossifies,^[1] and in such cases, between its upper border and the base of the skull, a foramen is formed - pterygospinous foramen (Civinini) which transmits the branches of the mandibular nerve to the muscles of mastication.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

↑ Peuker ET, Fischer G, Filler TJ (July 2001). "Entrapment of the lingual nerve due to an ossified pterygospinous ligament". Clin Anat. 14 (4): 282–4. doi:10.1002/ca.1048. PMID 11424204.

Fibrous joints of the human skull

Syndesmosis	Pterygospinous ligament Stylohyoid ligament

Sutures	Involving the frontal bone frontoethmoidal suture frontal suture coronal suture occipitomastoid lambdoid sagittal Involving the sphenoid bone sphenoethmoidal with frontal bone with parietal bone sphenosquamosal Involving the Petrous part of the temporal bone sphenopetrosal petrosquamous squamosal Facial: palatomaxillary suture Involving the zygomatic process with sphenoid bone with temporal bone with frontal bone

Mouth	Gomphosis Periodontal fiber Periodontium Dental alveolus Gingiva Cementum

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Pterygospinous ligament

Structure

Variation

See also

References