The Multilayered, Fluid-Filled, Membranous Sac That Develops Around an Embryo

question 54

Multiple Choice

The multilayered, fluid-filled, membranous sac that develops around an embryo is the

• A) allantoic sac.
• B) amnionic sac.
• C) placenta.
• D) umbilicus.

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Definitions:

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