I was looking at the idea of receiving an organ transplanted from an animal as in this question. One issue which was not raised is that of tum'ah. Though the transplant might be acceptable for many reasons, might it have a long term implication?

If touching the carcass of a dead animal (at least before it is all dried out) confers some level of impurity (just until the evening?), wouldn't the recipient of an animal heart be constantly impure because his body is in constant contact with the transplanted organ? Wouldn't this mean that he can't ever be involved in the korbanot of a Yom Tov at the Beit Hamikdash?

  • טומאת בית הסתרים
    – Joel K
    Jul 18, 2022 at 15:58
  • so should I wait until they perfect transplanting monkey fingers onto humans to ask again?
    – rosends
    Jul 18, 2022 at 16:03
  • 1
    @JoelK מגע בית הסתרים or טומאה בלועה he.wikipedia.org/wiki/…
    – wfb
    Jul 18, 2022 at 16:06
  • @joel K Currently, for severe burn victims, they sometimes use pig flesh. That’s in the open and the question applies
    – Chatzkel
    Jul 19, 2022 at 2:44
  • The my Jewish Learning link in the answer on the question you linked to, seems to say that there would be a problem of tumah. (Not sure if it’s an issue that’s discussed, since it’s something Moshiach can determine
    – Chatzkel
    Jul 19, 2022 at 2:46


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