ühekihilised
Ühekihilised is a term used in Estonian biology to describe structures that consist of a single cell layer. The adjective is formed from the components üks (one) and kiht (layer), with the common Estonian suffix -iline/-ilised to indicate an adjective describing a grouping. In scientific texts it is used to characterize tissues, membranes, or coverings that are arranged in a single layer, in contrast to multilayered structures described as mitmekihilised.
The most common context for the term is histology, where ühekihiline epiteel refers to simple epithelium—tissues
In usage, ühekihilised describes structures that are flatly arranged in one layer, contrasting with layered or