a membranous sac enclosing an embryo
Crossword Clue

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AnswerCrossword Clue
amniona membranous sac enclosing an embryo
amniaAMNION, a membranous sac enclosing an embryo
amnionsAMNION, a membranous sac enclosing an embryo
gastrulasmetazoan embryo in an early state of germ layer formation following the blastula stage, consisting of a cuplike body of two layers of cells, the ectoderm and endoderm, enclosing a central cavity, or archenteron, that opens to the outside by the blastopore
gastrulametazoan embryo in an early state of germ layer formation following the blastula stage, consisting of a cuplike body of two layers of cells, the ectoderm and endoderm, enclosing a central cavity, or archenteron, that opens to the outside by the blastopore
ovulean outgrowth of the ovary of a seed plant that is a megasporangium and encloses an embryo sac within a nucellus