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.
barrack (plural barracks) ( 1 military, chiefly in the plural) A building for soldiers, especially within a garrison; originally referred to temporary huts, now usually to a permanent structure or set of buildings.