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Is this human or animal tissue?

Posted by cfreeman on 22 Jul 2017 at 13:36 GMT

As ferritin iron and creatinine are also to found in animal tissues why is this assumed to be tissue from a human being?
Medieval linen cloths were sealed with animal, usually rabbit skin, glue before painting so this equally likely as an explanation.
Fourteenth and fifteenth century Europe was awash with blood cults, the liquid blood of Christ, bleeding hosts, etc,etc. and a similar iconography of the blood stains on the Shroud can be seen in post1300 art. So one would not be surprised to find human blood on a relic of this date. I cannot see how, in news reports of this article, that there is anything here that cmotnradicts a medieval date for the Shroud.
Apologies if a similar response appears but my first draft does not appear to have been posted.

Competing interests declared: As above

RE: Is this human or animal tissue?

ecarlino replied to cfreeman on 24 Jul 2017 at 10:43 GMT

I already responded to most of the questions in my previous post, as far as the answer if the blood serum is of a person or of an animal concerns, again, the serum observed is in any case the result of a strong polytrauma occurred before to die, so why the animal would have been tortured before?

No competing interests declared.

RE: RE: Is this human or animal tissue?

cfreeman replied to ecarlino on 25 Jul 2017 at 13:10 GMT

The study of painted linens has made big strides in recent years. Unfortunately the pigments on most disintegrate quite quickly but we are lucky that depictions and descriptions of the Shroud suggest that they remained largely intact until the nineteenth century. This meant that they had lasted five hundred years. As a result of pigments overlaying linen for so many years, the linen underneath becomes discoloured on its surface and fuzzy as is clearly the case with the Shroud. A good comparison is the fifteenth century Zittau veil in Saxony where the central panels of the Veil are very similar to the images of the Shroud. (Only recently restored so the Shroudies can be excused for not knowing about it.)
Shroudies have not yet got up to speed on painted linens so they can hardly be expected to know much about them but before painting they were sealed with animal glue, usually rabbit skin. There is nothing here that is not compatible with animal tissue and so it is imperative that it is made clear why this is human rather than animal tissue.

Competing interests declared: As above. in depth study of medieval relic cults and the display of medieval painted linens in ecclesiastical contexts.