how embryos know left right symmetry

How do embryos know their left side from right ? Role of Nodal signalling in Left-right asymmetry in Snails – PART II

By Sambrani | May 7, 2021

The mechanism involving in the complex process of LR symmetry ,especially in vertebrates is slowly getting more and more clear.The mechanism that leads to this asymmetry is predominantly dominated by signalling molecule Nodal, a member of the transforming growth factor-b superfamily, that – in all vertebrates checked to date – is expressed on the left… Read More »

How do embryos know their left side from right ? Role of Nodal signalling in Left-right asymmetry in Snails – PART I

By Sambrani | May 7, 2021

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Introduction Symmetry: A major and long-standing goal of developmental biology is to understand how embryos initially know their left and right hand sides, a process known as “symmetry breaking”. If you look for symmetry in wikipedia ” Symmetry generally conveys two primary meanings. The first is an imprecise sense of harmonious or aesthetically-pleasing proportionality and… Read More »