Tenascin

**Definition:** Hexameric extracellular matrix glycoprotein transiently expressed in many developing organs and often re-expressed in tumors. It is present in the central and peripheral nervous systems as well as in smooth muscle and tendons. (From Kreis & Vale, Guidebook to the Extracellular Matrix and Adhesion Proteins, 1993, p93)

**Tree numbers:** - D12.776.860.300.850

**Synonyms:** - Cytotactin - Hexabrachion - Tenascin-C