What is the meaning of amniotic sac?

noun

  • Thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals. ).
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). amniotic sac. Retrieved September 21, 2026, from http://smartdefine.org/amniotic_sac/definitions/1256278
ChicagoWordNet. 2010. "amniotic sac" http://smartdefine.org/amniotic_sac/definitions/1256278 (accessed September 21, 2026).
HarvardWordNet 2010, amniotic sac, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/amniotic_sac/definitions/1256278>.
MLAWordNet. "amniotic sac" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/amniotic_sac/definitions/1256278>