Thin Tissue-Sheet Boundary in a Living Organism

This page is the CodyCross answer for the clue below from La Bella Roma, Group 402, Puzzle 4 (Castel Sant Angelo).

Question is: Thin Tissue-Sheet Boundary in a Living Organism

and the answer is: MEMBRANE

Word Meaning:

MEMBRANE — (anatomy, zootomy) A flexible enclosing or separating tissue forming a plane or film and separating two environments.

Definitions from Wiktionary.

Thin Tissue-sheet Boundary In A Living Organism - La Bella Roma CodyCross Answers | CodyCross Solutions