| Phenotype: | posterior lateral line nerve lacks parts or has fewer parts of type myelinating Schwann cell, abnormal |
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| 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: | posterior lateral line nerve |
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| Synonyms: | caudal lateral line nerve |
| Definition: | Cranial nerve which enters the brain between cranial nerves VIII and IX; contains afferents and sensory efferents to the posterior lateral line ganglion and middle ganglion. Fibers from the posterior lateral line ganglion innervate the occipital dorsal lateral line and trunk lateral lines. |
| Ontology: | Anatomy Ontology [ZFA:0000175] |
| Name: | lacks parts or has fewer parts of type |
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| Synonyms: | loss of |
| Definition: | The bearer of this quality has_part < n of the indicated entity type, where n is the normal amount for a comparable organism. Note that the bearer of the quality is the whole, not the part. Formally: If a bearer entity e has fewer parts of type X at time t, then the number of instances x of X at t such that x part_of e is < n, where n is either the normal number for comparable entities, or n is stated explicitly. This case includes the limit case, where the bearer lacks all parts of the specified type. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001999] |
| Name: | myelinating Schwann cell |
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| Synonyms: | Schwann cells |
| Definition: | A neuroglial cell of the peripheral nervous system which forms the insulating myelin sheaths of peripheral axons. |
| Ontology: | Anatomy Ontology [ZFA:0009135] |