[MSL]

Interstitium: New organ discovered in human body after it was previously missed by scientists

Interstitium: New organ discovered in human body after it was previously missed by scientists.

Source: https://www.independent.co.uk/news/health/new-organ-human-body-interstitium-cancer-skin-scientists-discovery-new-york-a8275851.html

As I said already in the Bulgarian board (here: http://www.seo-forum-seo-luntan.com/other-languages/teeoto-ot-eta-a-akata/msg36338/#msg36338), I don't think that it's only in human body. Some other animals also may have it.