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] |