basal striations

ba·sal stri·a·tions

vertical infranuclear striations caused by the infolding of plasma membrane and mitochondria; seen in kidney tubules and certain intralobular salivary ducts known as striated ducts.
References in periodicals archive ?
Female: Cibarium with many more than 4 horizontal teeth arranged as a fence; spermatheca with basal striations .
The last ones, more numerous, ate enclosed by higher cubical or columnar epithelium, with more eosinonophilic cells and basal striations (Fig.