| Term: | superficial blastomere 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: | superficial blastomere |
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| Synonyms: | superficial blastomeres |
| Definition: | Cells (completely cleaved), located at the surface of the blastodisc, above the deep blastomeres. |
| Ontology: | Anatomy Ontology [ZFA:0001484] |
| 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 |