| Term: | primary posterior lateral line primordium protoneuromast |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | primary posterior lateral line primordium |
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| Synonyms: | primary posterior lateral line primordia, primI |
| Definition: | Primordium that forms the first neuromasts of the posterior lateral line. This primordium travels at 1.5-1.7 somites/hour and deposits neuromast that are polarized along the antero-posterior axis. |
| Ontology: | Anatomy Ontology [ZFA:0005115] |
| Name: | protoneuromast |
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| Synonyms: | immature neuromast, proto neuromast, proto-neuromast |
| Definition: | A group of about 20 cells deposited by the migrating lateral line primordium. A few hours after deposition these cells mature to form the neuromast. |
| Ontology: | Anatomy Ontology [ZFA:0005227] |