Type: Term Pronunciation: mĕ-ning-′ō-en-sef′ă-lō-sēl Definitions: 1. Large ossification defect of cranial bones, usually the squamous part of the occipital bone, through which part of the brain and ventricle pass into an external meningeal sac. Found on http://www.medilexicon.com/medicaldictionary.php?t=54142
Type: Term Pronunciation: mĕ-ning-′ō-en-sef′ă-lō-sēl Definitions: 1. Large ossification defect of cranial bones, usually the squamous part of the occipital bone, through which part of the brain and ventricle pass into an external meningeal sac.