An instrument for measuring (a) the quantity of blood passing through a vessel in a given time; (b) the pressure of the blood (= haemodynamometer n.…

A device used to measure the number of red blood cells in a blood sample (cf. globule, n. 2); = haematometer, n. b.

a centrifuge used to estimate the volume occupied by the red blood cells in a sample of blood; the value obtained, expressed as a percentage of the…

An instrument for examining the coagulability or measuring the coagulation time of blood.

a structure or artificial device that pumps blood.

spec. in Medicine. An instrument for measuring the oxygen content of blood (spec. the oxygen saturation of haemoglobin in arterial blood).

An instrument used to measure the aggregation of platelets or other cells.