Category: D

A trial used to test new treatments in which patients are randomly placed in either the treatment or the control group without either the patient or doctor knowing which group any particular patient is in.  

The act of measuring the amount of X-rays or radiation received, using a dosimeter. Measurement of the dose of radiation emitted by a radioactive source. The measurement of radiation dose using appropriately calibrated detectors. The calculation of appropriate doses for given conditions, usually the calculation of correct amounts of radiation for the treatment of cancer…

An instrument which measures the amount of X-rays or other radiation received. A device to record the amount of radiation received by workers with X-rays or other radiation, usually consisting of a small piece of photographic film in a holder attached to the clothing. At regular intervals the film is examined to discover the amount…

The back of any part of the body. The back or posterior part of an organ or structure. The dorsum of the hand is the opposite surface to the palm. The back or posterior surface of a part; in the foot, the top of the foot. The rear section of any organ or the back…

Referring to both the front and the back of the body. Extending from the back of the body to the front.  

The twelve vertebrae in the back between the cervical vertebrae and the lumbar vertebrae.  

A device which measures the flow of blood and detects steady or irregular flow, allowing abnormalities or blockages to be detected.  

The use of the Doppler effect in ultrasound to detect red blood cells. An ultrasound scanning technique that produces images of structures inside the body and can provide information about blood flow rate at the same time. Doppler ultrasound creates an image of the area being scanned by processing the echoes produced by harmless, high-frequency…

A device to measure blood flow, commonly used to monitor fetal heart rate.  

A chemical related to adrenaline and dopamine. It occurs naturally in the body and in the form levodopa is used to treat Parkinson’s disease. A physiologically important compound that forms an intermediate stage in the synthesis of catecholamines (dopamine, epinephrine, and norepinephrine) from the essential amino acid tyrosine. It also plays a role itself in…