anamnionic
|an-am-ni-on-ic|
C2
/ˌæn.æmˈniː.ɪk/
without an amnion
Etymology
Etymology Information
'anamnionic' originates from Greek, specifically the prefix 'an-' meaning 'not' and 'amnion' meaning 'membrane around the fetus'.
Historical Evolution
'anamnionic' was formed in modern scientific English by combining the Greek prefix 'an-' with 'amnion', to describe animals lacking an amnion.
Meaning Changes
Initially, it meant 'not having an amnion', and this meaning has remained the same in modern scientific usage.
Meanings by Part of Speech
Adjective 1
relating to or characteristic of animals that do not develop an amnion during embryonic development (such as fish and amphibians).
Fish and amphibians are considered anamnionic animals.
Synonyms
Antonyms
Last updated: 2025/07/29 03:51