A nine-bladed, propeller-like protein complex that links the distal end of the basal body and the cilium to the plasma membrane. Functions in protein sorting and gating (i.e. active and passive transport of proteins in and out of the cilium).
Source:PMID:24231678,
PMID:5335827,
GOC:krc,
GOC:cilia,
PMID:5064817,
PMID:22653444,
GOC:kmv
Comment
In mammals, ciliary transition fibers comprise at least five components (Ccdc41/Cep83, Cep89/Cep123, Sclt1, Fbf1, and Cep164) (PMID:24469809).