An amniotic egg is an egg that protects the offspring of birds, reptiles and mammals.
The amniotc part relates to amnion:(a protective membrane) surrounds the embryo in a bag of (‘amniotic’) fluid. Evolutionarily, the amnion is primitively associated with a shell and is capable of gaseous exchange; its development thus enabled eggs to be laid on dry land for the first time in vertebrate evolution.
The amniotc part relates to amnion:(a protective membrane) surrounds the embryo in a bag of (‘amniotic’) fluid. Evolutionarily, the amnion is primitively associated with a shell and is capable of gaseous exchange; its development thus enabled eggs to be laid on dry land for the first time in vertebrate evolution.
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