Examlex
What is the angular separation of two spectral lines of wavelengths 497 nm and 251 nm formed in the third order with a grating having 587 lines per millimeter?
Venous Insufficiency
A disorder where the veins have problems sending blood from the limbs back to the heart, causing swelling and pain.
Open-Heart Surgery
A surgical procedure to repair or replace heart valves, repair damaged or diseased parts of the heart, and to implant devices to support heart function.
Capillary Refill Time
A quick test performed to estimate blood circulation, where a fingernail is pressed to turn it white and the time for color to return is measured.
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