anamniote
|a-nam-ni-ote|
🇺🇸
/əˈnæm.ni.oʊt/
🇬🇧
/əˈnæm.ni.əʊt/
animal without an amnion
Etymology
'anamniote' originates from Greek, specifically the prefix 'an-' meaning 'not' and 'amnion' meaning 'membrane around the fetus.'
'anamniote' was formed in modern scientific English from Greek roots to describe animals lacking an amnion.
Initially, it meant 'an animal without an amnion,' and this meaning has remained consistent in modern biological usage.
Meanings by Part of Speech
Noun 1
a vertebrate animal that does not develop an amnion during embryonic development, such as fish and amphibians.
Frogs are considered anamniotes because they lack an amnion during development.
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Adjective 1
relating to or characteristic of animals that do not develop an amnion.
Anamniote vertebrates include most fish and amphibians.
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Last updated: 2025/07/29 04:21