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Ontology Browser

abnormal posterior cranial fossa morphology (MP:0030309)
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Parent Terms Term With Siblings Child Terms
abnormal anterior cranial fossa 
abnormal middle cranial fossa morphology +   
abnormal posterior cranial fossa morphology +   
any structural anomaly of the most inferior and deepest of the cranial fossae, located between the foramen magnum and tentorium cerebelli, which houses the brainstem and cerebellum; it is bounded anteriorly and medially by the dorsum sellae of the sphenoid bone; anteriorly and laterally by the superior border of the petrous part of the temporal bone; and posteriorly by the internal surface of the squamous part of the occipital bone; its floor consists of the mastoid part of the temporal bone and the squamous, condylar and basilar parts of the occipital bone
abnormal subarcuate fossa morphology +   

Exact Synonyms: abnormal fossa cranii posterior morphology
Broad Synonyms: abnormal posterior fossa morphology
Definition Sources:,

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