Pronunciation: ˌ s ə s-t ə n- ' ta-ky ə -l ə r-, - ˌ ten-
Function: noun
Etymology: New Latin sustentaculum supporting part, from Latin, prop, from sustentare
Date: 1901
: a supporting epithelial cell (as a Sertoli cell or a cell of the olfactory epithelium) that lacks a specialized function (as nerve-impulse conduction)