CaulWordNet Explorer

the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)

any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus

the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus

part of the peritoneum attached to the stomach and to the colon and covering the intestines

a fold of peritoneum supporting the viscera