Anterior tongue
Anterior tongue: The front two-thirds of the tongue. In contrast to the base of the tongue, which is the back third. The distinction between the anterior and base of the tongue reflects the fact that they are of different embryological origin. The distinction also matters as regards cancer. See: Tongue cancer.
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- Antero-
Antero-: Prefix signifying before, earlier, front. From the Latin anterior meaning before.
- Anterograde
Anterograde: Moving forward or extending forward. Anterograde memory is memory for what occurs after an event such as an accident. Also called antegrade. From the Latin antero- + gredior (to step or go).
- Anterograde memory
Anterograde memory: Loss of short-term memory with retention of memories from the distant past (long-term memory).
- Anterolisthesis
Anterolisthesis: The forward positioning of one spinal vertebra in relation to the adjacent vertebra beneath it. Anterolisthesis can be graded: Grade 1 is less than 25% slippage, grade 2 between 25%-50% slippage, grade 3 between 50%-75% slippage, and grade 4 greater than 75% slippage. Symptoms of anterolisthesis depend on the severity, location, and cause. The […]
- Anteroposterior
Anteroposterior: From front to back. When a chest x-ray is taken with the back against the film plate and the x-ray machine in front of the patient it is called an anteroposterior (AP) view. As opposed to from back to front (which is called posteroanterior). For a more complete listing of terms used in medicine […]