《英文msh詞典》Junctions,Gap
[入口詞] Junctions,Gap
[主題詞] Gap Junctions
[英文釋義] Connections between cells which allow passage of small molecules and electric current. Gap junctions were first described anatomically as regions of close apposition between cells with a narrow (1-2 nm) gap between cell membranes. The variety in the properties of gap junctions is reflected in the number of CONNEXINS,the family of proteins which form the junctions.