The present invention relates to a brush (1) for cleaning or sampling body tissue. The brush (1) comprises a support (2) that is provided with at least one row (3) of brush hairs (5) as well as one second row (4) of brush hairs (16). The first and second rows are mutually parallel and are situated next to one another. Each brush hair (5,6) has a proximal end (7) facing the support (2) and a distal end (9) facing away from the support (2). The first row (3) of brush hairs (5) comprises a strip (30) that extends in the longitudinal direction of the first row (3) and a longitudinal side (32) of which is fixed to the support (2). The proximal ends (7) of the brush hairs (5) in the first row (3) are fixed to the other longitudinal side (34) of the strip (30).