Nearly all cells in vertebrates and many cells in invertebrates contain primary cilia.
Olsen
B
B
D000818:Animals; D001693:Biological Transport, Active; D002923:Cilia / Q000378:metabolism*; D005109:Extracellular Matrix / Q000378:metabolism; D053823:Hedgehog Proteins; D007448:Invertebrates; D011956:Receptors, Cell Surface / Q000378:metabolism; D043562:Receptors, G-Protein-Coupled / Q000378:metabolism; D015534:Trans-Activators / Q000378:metabolism; D014714:Vertebrates
D053823:Hedgehog Proteins; D011956:Receptors, Cell Surface; D043562:Receptors, G-Protein-Coupled; D015534:Trans-Activators