| Phenotype: | cranial nerve IX hypoplastic, abnormal |
|---|---|
| Note: | This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name. |
| Name: | cranial nerve IX |
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| Synonyms: | CN-IX, glossopharyngeal nerve, nervus glossopharyngeus |
| Definition: | Cranial nerve that innervates gill muscles. Sometimes called a branchiomeric nerve because it innervates derivatives of the branchial arches. The root is typically found at rhombomere 6. This nerve contains sensory axons that carry both somatic and visceral sensory information as well as motor axons from branchiomotor neurons. |
| Ontology: | Anatomy Ontology [ZFA:0000668] |
| Name: | hypoplastic |
|---|---|
| Synonyms: | hypoplasia, underdeveloped |
| Definition: | A physical quality inhering in an organ or tissue by virtue of the bearer's exhibiting a decreased number of cells, typically associated with a decrease in size. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000645] |