海かい綿めん質しつMeanings1nounsponginA technical term in biology/biochemistry referring to the collagen-like protein found in the skeletons of sponges.海かい綿めん質しつは海かい綿めん動どう物ぶつの骨こっ格かくを構こう成せいするタンパク質しつの一いっ種しゅである。Spongin is a type of protein that makes up the skeleton of sponges.
