Confocal microscopy image of nuclei, coloured by depth, of Trichoplax sp. H2, one of the four species of placozoan for which the authors of the study created a cell atlas for. [Sebastian R.

A new study sheds new light on the origins of modern brain cells. Researchers find evidence that specialized secretory cells found in placozoans, tiny sea creatures the size of a grain of sand, have ...

Top: Intestinal stem cells lacking Daam1 (left) or Rnf43 (right) form tumor-like organoids. Bottom: Intestines lacking Daam1 do not form ectopic Paneth cells, a type of secretory cells (left), while ...

A type of flatworms, called planarians, can regenerate whole organisms from pieces as small as one-279th of their body. 1 Depending on how these goofy-looking worms were cut, they could even come back ...