Category: R
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Rhodotorula rubra
A type of imperfect yeast that commonly resides on the skin but seldom leads to opportunistic infections in humans.
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Rhinoconjunctivitis
Inflammation of the nasal and ocular mucus membranes.
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Retroflexion of the uterus
A uterus that is tilted backward but maintains a normal cervix position.
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Roentgen tube
A vacuum container houses a source of electrons and two electrodes—a positive anode and a negative cathode—with a significant voltage difference between them. The cathode, often a heated filament, emits electrons, while the anode is built robustly to endure the impact of these electron streams, commonly known as cathode rays. Upon striking the anode, the…
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Reamur thermometer
A thermometer where the freezing point of water is marked as 0 degrees and the boiling point of water is marked as 80 degrees.
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Rectal surgery
Surgical procedures addressing diseases of the rectum.
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Respiratory surface
The whole surface of the lungs that comes into contact with inhaled air.
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Refined sugar
Refined cane sugar or beet sugar that contains sucrose.
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Rice-water stools
Characterizing the bowel movements observed in cases of typhoid fever.
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Resting state
In biology, it refers to a period of inactivity—like the dormant phase of perennial plants, spores, and seeds.