Occipital Segment:<br><br>The occipital segment is the posteriormost part of the cranium. It encloses a large aperture foramen magnum in its centre. It consists of four bones, i.e., the dorsal supraoccipital, the lower basioccipital and paired lateral exoccipitals. Supraoccipital is more or less rectangular forming the roof of the hindermost part of the cranium.<br><br>It articulates anteriorly with the parietals and laterally with the prootics forming the post-temporal fossa. Basioccipital forms the floor of the hindermost portion of the cranium and posteriorly bears a single occipital condyle. It articulates anteriorly with the basisphenoid, laterally with the exoccipitals and prootics.
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