gartner

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In the genitive and attributive. Designating the bacterium Salmonella enterica serovar Enteritidis, which is a major cause of food poisoning. Also: designating a group of bacteria including this and closely related salmonellae, and infections with such bacteria.
In the genitive and attributive, especially in "Gaertner's tonometer". Designating an apparatus used to measure (or estimate) blood pressure, consisting of an inflatable ring placed around a finger, with a manometer measuring the pressure required to stop arterial pulsation in the finger.
In the genitive, especially in "Gaertner's phenomenon". Designating the change in the degree of fullness of veins of the arm as it is raised to varying heights above the heart, used as an estimate of pressure in the right atrium.