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Mikedc1 OP t1_jb25ym6 wrote

Reply to comment by [deleted] in Where are birds Hematopoietic stem cells? by Mikedc1

That's cool it seems way more complex and diverse than I thought. I thought all bones were calcium like matrices with small differences but turns out birds have some other composite

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[deleted] t1_jb2k9kb wrote

More or less the same composition but the material is denser, yet full of hollow spaces and struts. They tend to break quite jaggedly compared to mammalian bones, but are usually harder to break.

They’re totally evolved for flight.

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