"The word chorion derives from the Greek word χόριο meaning skin. Galen was the first to apply the term to the fetus."
Line 4:66·Italics should be used only in exceptional circumstances: '<em><strong>χόριο</strong></em>'
Biographical Lifespan
suggestion
"History and etymology"
Line 3:1·A bold element in the History and etymology section should be a person; it would be useful to have their lifespan details: '<h4>History and etymology</h4> <p>The word <strong>chorion</strong> '