1. There is no interstice wherein the coating product could accumulate, thereby facilitating the cleaning of the reservoir (9).

2. cranny noun crevice, opening, hole, crack, gap, breach, rift, nook, cleft, chink, fissure, interstice The lizards fled into Crannies in the rocks

3. In such Acinuses the integrity of cellular contacts is broken, cells are in the state of discomplexation and, in the form of individual cells of fragments, they freely penetrate into the interstice