DICTIONARY ENTRY
4 SYLLABLES
allantois
/ə'læntoʊɪs/ · əlæntoʊɪs
Allantois has 4 syllables: al · lan · to · is.
al
01
lan
02
to
03
is
04
noun. The vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals).
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