NOUN
- the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)
How To Use embryonic membrane In A Sentence
- Cenogenetic processes, on the other hand, include such phenomena as the formation of yolk and the embryonic membranes, the temporary allantoic circulation, the navel, the curved and contracted shape of the embryo, and the like. Form and Function A Contribution to the History of Animal Morphology
- Totipotent cells have the capacity to specialize into extraembryonic membranes and tissues, the embryo, and all postembryonic tissues and organs.
- [15], such an investigation is warranted given that the extraembryonic membranes share numerous similarities in their basic structure and function that are conserved across amniota. PLoS ONE Alerts: New Articles
- All the amniotes have a distinctive embryonic membrane known as the amnion The Evolution of Man — Volume 1
- Each embryo is surrounded, from exterior to interior, by the chorion, the vitelline membrane and the embryonic membrane.
- Aristotle's view, arguing that the female seed contrib - utes only nutrition and the allantois, while the male seed forms the other embryonic membranes (chorion, amnion) and bodily parts. Dictionary of the History of Ideas
- In these three classes alone we find the remarkable embryonic membrane, already mentioned, which we called the amnion; a cenogenetic adaptation that we may regard as a result of the sinking of the growing embryo into the yelk-sac. The Evolution of Man — Volume 2
- From these observations and following experiments involving membrane removals, the authors concluded that the vitelline and embryonic membranes are essential to osmoregulation during development.