Search intraluminal intraluminal /-lo̅o̅″minəl/ , 1. within the lumen of any tubular structure or organ. 2. between or among tubes. Tweet Telegram VK Random Words troponin alveolar-capillary membrane perilymph midpelvic contraction myelography maximum expiratory flow, maximum expiratory flow rate pharyngeal recess vulvocrural FTC