An unclear or obsolete plural form, possibly referring to amniotic structures or developments in older medical terminology.
An irregularly formed plural, possibly from a variant of amnion with an -tion suffix then pluralized. The term does not appear in modern dictionaries and represents archaic medical nomenclature.
Even simple plurals in historical medical texts can be mysterious—without context from original sources, some terms vanish into the fog of forgotten science, becoming truly untraceable.
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