Category: T

A low-pitched, drum like sound heard on percussion over a large air-containing space.  

The amount of resistance to the flow of electrical energy across the chest. This is an important factor to consider when electrical therapies such as defibrillation, cardioversion, and transthoracic pacing are used to treat abnormal cardiac rhythms.  

The amount of pressure necessary in overcoming resistance to flow.  

Professional dental care that covers defects in an injured or carious tooth or replaces missing teeth (e.g. with a crown, a bridge, or an implant). This is usually accompanied by improved health of the gingiva and the periodontal ligament.  

The slow changes in the articular surfaces of the temporomandibular joint as it adapts to changing occlusal forces, resulting in shape changes or irregularities of the condyle or articular eminence.  

The ability of a test to produce consistent results when it is used multiple times under nearly equivalent conditions. A test whose results fluctuate minimally when it is reused is said to have good test-retest reliability. The degree to which a research tool or laboratory assay obtains similar results when it is used repetitively to…

A backflow of blood from the right ventricle into the right atrium.  

A visceral response in which afferent impulses do not pass through the central nervous system, but instead enter prevertebral ganglia where connections are made with efferent neurons.  

Sharp extension of the forearm resulting from tapping of the triceps tendon while the arm is held loosely in a bent position. The stretching out of the forearm following a quick tap on the triceps tendon located behind the elbow joint.  

A polysynaptic reflex believed to depend on spinal and supraspinal pathways.