【医】 intra-adventitial space
【医】 adventitia; adventitial coat; ectoblast; ectosac; extima; extine
theca externa; tunica adventitia; tunica externa; tunica extima
inner; inside; within
【医】 end-; endo-; ento-; in-; intra-
clear; clearance; gap; interval; space
【化】 back lash; clearance; gap; play; slack
【医】 clearance; diastem; diastema; interspace; space; spatia; spatium