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(kown′tĕr )

A device for counting anything.

colony counter

An apparatus for counting bacterial colonies in a culture plate.

Coulter counter

An automated device that counts cells (e.g., bacterial cells or blood cells of eukaryotic organisms) or subcellular particles. It works by detecting a change in the electrical conductance of a fluid as it drawn through a small aperture. Coulter is a registered trademark of Beckman Coulter, Inc.

impedance counter

A blood cell counter that uses cell membrane electrical impedance to determine the volume of cells in a solution.

particle counter

An electronic device for counting and differentiating cells, platelets, and small particles according to their volume.

scintillation counter

A device for detecting and counting radiation. Flashes of light are produced when radiation is detected.

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Venes, Donald, editor. "Counter." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Taber's Online, www.tabers.com/tabersonline/view/Tabers-Dictionary/742957/all/counter.
Counter. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/742957/all/counter. Accessed July 19, 2019.
Counter. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://www.tabers.com/tabersonline/view/Tabers-Dictionary/742957/all/counter
Counter [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 July 19]. Available from: https://www.tabers.com/tabersonline/view/Tabers-Dictionary/742957/all/counter.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - counter ID - 742957 ED - Venes,Donald, BT - Taber's Medical Dictionary UR - https://www.tabers.com/tabersonline/view/Tabers-Dictionary/742957/all/counter PB - F.A. Davis Company ET - 23 DB - Taber's Online DP - Unbound Medicine ER -