Amnios and Sac

Amnios

Amnios noun - Thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals).
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Synonyms for Amnios

Sac and amnios are semantically related. In some cases you can use "Sac" instead a noun "Amnios".

Sac

Sac noun - An enclosed space.
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Synonyms for Sac

Amnios and sac are semantically related. Sometimes you can replace term "Amnios" with "Sac", this nouns are similar.
Cite this Source
Sac and Amnios. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/amnios/sac
Amnios & Sac. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/amnios/sac>.
Sac or Amnios. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/amnios/sac.
Google Ngram Viewer shows how "amnios" and "sac" have occurred on timeline