sustentacular cell
noun
sus·ten·tac·u·lar cell ˌsə-stən-ˈta-kyə-lər- 
-ˌsten-
: a supporting epithelial cell (such as a Sertoli cell or a cell of the olfactory epithelium) that lacks a specialized function (such as nerve-impulse conduction)
Word History
Etymology
New Latin sustentaculum supporting part, from Latin, prop, from sustentare
First Known Use
1901, in the meaning defined above
Medical Definition
sustentacular cell
noun
: a supporting epithelial cell (as a Sertoli cell or a cell of the olfactory epithelium) that lacks a specialized function (as nerve-impulse conduction)