Term Name:	tanycyte
Synonyms:	stretch cell
Definition:	Specialized elongated ventricular ependymal cell that has processes that extend to the outer, or pial, surface of the CNS. Resemble spongioblasts seen in developing brain. Found in the adult brain in the third ventricle, cerebral aqueduct, spinal canal and floor of the fourth ventricle.
Ontology:	Cell Ontology [CL:0002085]