amniotic sac

== English == === Pronunciation === enPR: ăm′nē-ŏt′ĭk săk′ (Received Pronunciation) IPA(key): (contemporary) /ˌæm.niːˌɒt.ɪk ˈsæk/, /ˌam.niːˌɒt.ɪk ˈsak/; (conservative) /ˌæm.niːˌɔːt.ɪk ˈsæk/, /ˌam.niːˌɔːt.ɪk ˈsak/ (General American) IPA(key): (without the cot–caught merger) /ˌæm.niˌɔt.ɪk ˈsæk/, (cot–caught merger) /ˌæm.niˌɑt.ɪk ˈsæk/ (Canada) IPA(key): (standard) /ˌæm.niˌɒt.ɪk ˈsæk/, (dialectal) /ˌæm.niˌɑt.ɪk ˈsæk/ (General Australian) IPA(key): /ˌæm.niːˌɔt.ɪk ˈsæk/ (New Zealand) IPA(key): /ˌɛm.niːˌɒt.ək ˈsɛk/ (Scotland) IPA(key): /ˌam.niˌɔt.ɪk ˈsak/ (India) IPA(key): /ˌa(ː)m.niːˌɔʈ.ɪk ˈsa(ː)k/ Hyphenation: am‧ni‧ot‧ic sac === Noun === amniotic sac (plural amniotic sacs) (anatomy) The sac in which the foetus develops in mammals, reptiles, and birds. Synonyms: (now chiefly informal) bag of waters, (informal) membranes Near-synonym: amnion (meronymy, holonymy, or embryological sequence seem to vary by who is defining the two) Hypernyms: sac, bag < structure Meronym: amniotic fluid ==== Related terms ==== ==== Translations ==== === See also === === Further reading === “amniotic sac”, in OneLook Dictionary Search.