cells with high levels of membranous accumulations degenerate releasing cellular debris into the intercellular space and the lumen of the tubules (jax.org)
Nevertheless, Rhinela yunga is distinct from all related species in absence of a tympanic membrane, a round membranous part of hearing organ being normally visible on both sides of a toad's head. (sciencedaily.com)
During pregnancy, your baby is surrounded and cushioned by a fluid - filled membranous sac called the amniotic sac. (mayoclinic.org)