Composed of or characterized by two distinct layers or laminae; used in anatomy and developmental biology to describe tissue structures with two layers.
From Latin 'bi-' (two) plus 'lamina' (thin layer); a medical and biological term used to describe structures like the bilaminar disc in early embryonic development.
The bilaminar embryonic disc is one of biology's crucial moments—when two tissue layers first separate and begin to form the structures that become you, showing how organization begins at the tiniest scales.
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