Cell coupling junctions.
D000818:Animals; D002450:Cell Communication; D004622:Embryo, Mammalian / Q000502:physiology; D004625:Embryo, Nonmammalian; D004848:Epithelium / Q000502:physiology; D007365:Intercellular Junctions / Q000502:physiology*; D008297:Male; D012160:Retina / Q000502:physiology; D013737:Testis / Q000502:physiology