microscleres n stresses
geol.	маленькие спикулы (губок)
paleont.	микросклеры
microsclere [ˌmaikrəu'skliə] n
Gruzovik, zool.	маленькая спикула (a minute sponge spicule usually supporting a single cell); микосклера (a small pointed structure serving as a skeletal element in various marine and freshwater invertebrates, e.g. sponges and corals, that is invisible to the naked eye)
hydrobiol.	микросклера (губок)
Makarov.	микросклера (у губок)