In vitro culture of large areas of membranous biological structures.
D000818:Animals; D001717:Birds; D046508:Culture Techniques; D005321:Extraembryonic Membranes / Q000166:cytology; D006652:Histological Techniques; D008566:Membranes / Q000166:cytology*; D008858:Microscopy, Phase-Contrast; D009852:Omentum / Q000166:cytology; D010784:Photomicrography; D051381:Rats; D013194:Staining and Labeling