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Posterior atlantooccipital membrane
Membrane at the base of the skull / From Wikipedia, the free encyclopedia
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The posterior atlantooccipital membrane (posterior atlantooccipital ligament) is a broad but thin membrane[1][2]: 99 extending between the to the posterior margin of the foramen magnum above, and posterior arch of atlas (first cervical vertebra) below. It forms the floor of the suboccipital triangle.
Quick Facts Details, Identifiers ...
Posterior atlantooccipital membrane | |
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![]() Posterior atlantooccipital membrane and atlantoaxial ligament. (Posterior atlantooccipital membrane is topmost gray region at center.) | |
Details | |
Identifiers | |
Latin | membrana atlantooccipitalis posterior |
TA98 | A03.1.08.004 |
TA2 | 1633 |
FMA | 25006 |
Anatomical terminology |
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The membrane helps limit excessive movement of the atlanto-occipital joints.[2]: 99