extraembryonic

adjective ex·tra·em·bry·on·ic \ˌek-strə-ˌem-brē-ˈä-nik\

Definition of EXTRAEMBRYONIC

: situated outside the embryo; especially : developed from the zygote but not part of the embryo <extraembryonic membranes>

1901

Medical Dictionary

adjective ex·tra·em·bry·on·ic \-ˌem-brē-ˈän-ik\

: situated outside the embryo proper; especially : developed from the zygote but not part of the embryo <extraembryonic membranes>

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