- Sertoli cells are named after the histologist Enrico Sertoli (1842-1910).  They are support cells and line the seminiferous tubules.  With the exception of spermatogonia, Sertoli cells surround practically all germ cells.

Reference:
1. Color Atlas of Cytology, Histology, and Microscopic Anatomy 4th Edition. Wolfgang Kuehnel, M.D. Thieme Publications. 2003.