The basal attachment of endothelial cells.
D000818:Animals; D001001:Anura; D001808:Blood Vessels / Q000166:cytology*; D003585:Cell Biology; D004847:Epithelial Cells; D066298:In Vitro Techniques; D008208:Lymphatic System / Q000166:cytology*; D008854:Microscopy, Electron; D009132:Muscles / Q000166:cytology; D012867:Skin / Q000166:cytology