Langimage
English

amnioallantoic

|am-ni-o-al-lan-to-ic|

C2

🇺🇸

/ˌæmni.oʊ.əˈlæntoʊɪk/

🇬🇧

/ˌæmni.əʊ.əˈlæntəʊɪk/

dual membrane structure

Etymology
Etymology Information

'amnioallantoic' originates from Greek, specifically the words 'amnion' meaning 'bowl' or 'cauldron' and 'allantois' meaning 'sausage' or 'sausage-shaped'.

Historical Evolution

'amnion' and 'allantois' were combined in scientific terminology to describe the dual membrane structure in embryonic development.

Meaning Changes

Initially, it referred to the individual membranes, but over time it evolved to describe their combined function in embryology.

Meanings by Part of Speech

Adjective 1

relating to or involving both the amnion and the allantois, two membranes that form part of the placenta in mammals and the egg in birds and reptiles.

The amnioallantoic membrane plays a crucial role in the development of the embryo.

Synonyms

amniochorionicplacental

Last updated: 2025/07/18 18:22