As nouns the difference between placental and syncytin
is that placental is any animal that is a member of the placentalia while syncytin is (protein) any of a class of captive retroviral envelope proteins involved in human placental morphogenesis.
As an adjective placental
is of or pertaining to the placenta, or to the placentalia.
placental
English
Adjective
(-)
Of or pertaining to the placenta, or to the Placentalia
Having a placenta
Noun
(
en noun)
Any animal that is a member of the Placentalia
syncytin
English
Noun
(
en noun)
(protein) Any of a class of captive retroviral envelope proteins involved in human placental morphogenesis