What is the apron-like double fold of fatty membrane that hangs down in front of the intestines?

Greater Omentum - A four-layered fold of peritoneum connecting the greater curvature of the stomach & 1st part of duodenum to transverse colon which hangs down like an apron in front of the coils of small intestine.

I’m not exactly sure what your trying to ask, but if it’s how an organelle is similar to a body system or a part a nucleus is like a in function. but i don’t fully understand what you’re trying to ask