header logo image header logo text
Downloads Login
Research
General Information
ZIRC
Term: EVL bicellular tight junction
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: EVL
Synonyms: enveloping layer
Definition: Outermost monolayer of cells surrounding the embryo that become very flattened in the blastula and give rise to the periderm. Sometimes used synonymously with periderm.
Ontology: Anatomy Ontology [ZFA:0000086]
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