| Term: | forerunner cell group bicellular tight junction |
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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: | forerunner cell group |
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| Synonyms: | DFCs, dorsal forerunner cells, forerunner cells |
| Definition: | A group of cells that migrate at the leading edge of shield during gastrulation but do not involute. At the end of gastrulation, forerunner cells migrate deep into the embryo and organize to form Kupffer's vesicle. |
| Ontology: | Anatomy Ontology [ZFA:0000023] |
| Name: | bicellular tight junction |
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| 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 |