noun, plural ep·i·the·li·ums, ep·i·the·li·a [ep-uh-thee-lee-uh] /ˌɛp əˈθi li ə/. Biology.
Examples from the Web for epithelia
Between these chambers the separating strata of epithelia are compressed so as to form septa or partition walls.
Mucus is a viscid fluid secreted by the gland-cells, or epithelia.
The epithelia of the rete mucosum are swollen and stretched.
The filaments in their further growth separate the epithelia, and even penetrate them.
After the first poisoning, the epithelia are permanently injured and remain more permeable to protein.The Treatment of Hay Fever|George Frederick Laidlaw