Examlex
Use the sum-to-product formulas to rewrite the sum or difference as a product.
Epiblast
An early embryo layer from which all the three primary germ layers develop during gastrulation in the formation of a vertebrate body.
Notochord
A flexible rod-like structure in the early stages of embryos in all chordates, providing skeletal support.
Blastocoel
The fluid-filled cavity of a blastula.
Archenteron
The primitive gut formed during the early development of an embryo, which later differentiates into the digestive tract of an animal.
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