【医】 intervillous space
fluff; fuzz; tomentum; undercoat; villus
【医】 lana; trophonema; villi; villosity; villus; wool
clear; clearance; gap; interval; space
【化】 back lash; clearance; gap; play; slack
【医】 clearance; diastem; diastema; interspace; space; spatia; spatium