Vascular endothelial invasion via transcellular passage by malignant cells in the primary stage of metastases formation.
D000818:Animals; D002199:Capillary Permeability; D004727:Endothelium / Q000503:physiopathology / Q000648:ultrastructure; D008545:Melanoma / Q000473:pathology; D051379:Mice; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D009362:Neoplasm Metastasis; D009374:Neoplasms, Experimental / Q000473:pathology*