Talk:Thymic involution
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Conserved sequence
The introduction states: 'This process is a conserved sequence or (orthologous sequences) in almost all vertebrates, from birds, teleosts, amphibians to reptiles, though the thymi of a few species of sharks are known not to involute.' What is meant with this line? Is it: A conserved genetic sequence underlies this process, and because of that this process occurs in almost all vertebrates ... etc. Or: This process is conserved among most vertebrates. I think the latter, because the article does not discuss this 'sequence' further. (Though of course some conserved sequences will probably underlie that process) --Zaluzar (talk) 08:33, 28 November 2012 (UTC)