Only recently it has been found that the primary cilia of each cell communicate with each other during the developmental stages of a fetus and are important for the development of different structures ...

But virtually all other cells have a primary cilium. Likewise, for many years it was generally assumed that the entire phylum Nematoda, comprising roundworms, completely lacked cilia or flagella.

Primary cilia are involved in so many sensory functions ... to the point that they create cysts that clog the kidneys and keep them from carrying out their normal filtering function. In fact, ...

Further, we documented that in each of the five astrocytoma/glioblastoma cell lines studied (U-87 MG, T98G, U-251 MG, U-373 MG, U-138 MG), fully formed primary cilia ...

Dysfunctions of the tiny cell processes (primary cilia) of the pancreatic beta cells could be a cause of type 2 diabetes.