The nature of possible underlying disease states including cancer or infections can often be detected by microscopically visualizing cytological changes in cells which are exfoliated and captured by fluid extraction from body cavity, brushings, washings, or fine needle aspirations.
Cloister definition, a covered walk, especially in a religious institution, having an open arcade or colonnade usually opening onto a courtyard. See more.
(plural gaiters) 1  A covering of cloth or leather for the ankle and instep; see spats. 2  A covering cloth or leather for the whole leg from the knee to the instep, fitting down upon the shoe. 3  Part of the ecclesiastical garb of a bishop.