Term: protoneuromast bicellular tight junction
Name: protoneuromast
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]

Name: bicellular tight junction
Synonyms: zonula occludens
Definition: An occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet; the outer leaflets of the two interacting plasma membranes are seen to be tightly apposed where sealing strands are present. Each sealing strand is composed of a long row of transmembrane adhesion proteins embedded in each of the two interacting plasma membranes.
Ontology: GO: Cellular Component [GO:0005923]    QuickGO    AmiGO