Asterion
Asterion
Asterion (pronunciation: as-te-ri-on) is a term used in anatomy to denote a specific landmark on the human skull. It is the point where the temporal bone, parietal bone, and occipital bone meet.
Etymology
The term 'Asterion' is derived from the Greek word 'Aster', meaning star. This is likely due to the star-like formation created by the meeting of the three skull bones at this point.
Anatomy
The Asterion is located on the lateral aspect of the skull, specifically at the junction of the lambdoid, occipitomastoid, and parietomastoid sutures. It is an important landmark in neurosurgery, particularly in procedures involving the posterior cranial fossa.
Clinical Significance
The Asterion is a crucial landmark in various surgical procedures. It is particularly significant in neurosurgery, where it serves as a reference point for accessing areas of the brain located in the posterior cranial fossa. Misidentification of the Asterion can lead to complications during surgery, such as damage to the transverse or sigmoid sinus.
Related Terms
External links
- Medical encyclopedia article on Asterion
- Wikipedia's article - Asterion
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