In all vertebrates, the chorion is a membranous structure which completely encloses a developing embryo. After birth, this chorion is no longer needed, and is discarded. In birds and reptiles, the chorion lies up against the interior of the eggshell,...

The amnion is an extremely thin tissue, or membrane. It encloses a developing embryo, and is present within the eggs of all vertebrates which live on land. The presence of the amnion creates a cavity, called the amniotic cavity. The amniotic cavity is...

That enclosed or encapsulated by the AMNION. See also:...

The amniotic sac is the sac in which the fetus develops. Some sources consider it to be equivalent to the amnion,[1][2], while other sources consider it to consist of the amnion and the chorion. It is also called the amniotic bubble because of its...

Suspended in its watery home, the human fetus waits to be born. Often, the rupture of the amniotic sac, the membrane that surrounds the fetus, signals imminent birth. If that membrane breaks too soon, premature delivery results. A preterm infant may suffer...

Joy Kogawa's Obasan The speech that frees comes forth from that amniotic deep Joy Kogawa, Obasan Combining prose, poetry, and documentary, Obasan records the struggle of the Japanese Canadian community against a hostility that takes many formslong standing racial prejudice, wartime...