For example, in humans, only a few cell types have motile cilia, namely sperm, epithelia cells in the bronchi and oviducts, and ependymal cells that line brain vesicles. But virtually all other ...

Ependymoma arise from ependymal cells. These cells produce cerebrospinal fluid that protects the brain and spinal cord. Ependymoma presents as headaches, nausea, vomiting, dizziness. Ependymoma of ...