| Namespace | MPheno.ontology | Obsolete | false |
| description | any structural anomaly of the sieve-like structure located between the anterior cranial fossa and the nasal cavity; it is a part of the ethmoid bone and supports the olfactory bulb, which lies in the olfactory fossa; it is perforated by foramina for the passage of the olfactory nerves and the anterior ethmoidal nerves to the upper part of the nasal septum, the latter of those to the superior nasal concha |
