Anamniotic


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An`am`ni`ot´ic


a.1.(Anat.) Without, or not developing, an amnion.
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Ready and waiting: Delayed hatching and extended incubation of anamniotic vertebrate terrestrial eggs.
Brave new propagules: terrestrial embryos in anamniotic eggs.
The seminiferous or spermatic ducts, efferent ductules, epididymis and deferent ducts are derived from archinephric duct, which is an organ for the transport of both urine and sperm in anamniotic vertebrates (ROMER; PARSONS, 1985; ORR, 1986).