> as lemmas
extra-embryonic
extra-embryonic adj.
Brit. 
/ˌɛkstrə(r)ɛmbrɪˈɒnɪk/
, /ˌɛkstrə(r)ɛmbrɪˈɒnɪk/U.S. /ˌɛkstrəˌɛmbriˈɑnɪk/
outside the embryo./ˌɛkstrəˌɛmbriˈɑnɪk/ΚΠ
1913 W. A. N. Dorland Illustr. Med. Dict. (ed. 7) 348/2 Extra-embryonic, not a part of the embryo proper: applied to that portion of the embryo outside of the umbilical stalk.
1958 New Biol. 26 24 The extra~embryonic part of the blastoderm soon becomes divided into chorion and yolk sac.
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as lemmas