Category: R

A fibrous cord extending upward from the umbilicus and enclosed in lower margin of the falciform ligament; represents obliterated left umbilical vein of the fetus.  

The ligament of the head of the femur that is attached to the anterior superior part of the fovea of the head of the femur and to the sides of the acetabular notch.  

A ligament extending from the tuberosity of the clavicle to the outer surface of the cartilage of the first rib.  

An indentation fracture of the anteromedial humeral head that occurs following a posterior dislocation of the glenohumeral joint. The cartilage of the humeral head is damaged, causing instability that may predispose the individual to subsequent posterior glenohumeral dislocations.  

The inner layer of the corium lying beneath the papillary layer. Deeper layer of the dermis that supplies the skin with oxygen and nutrients; contains fat cells, blood vessels, sudoriferous (sweat) glands, hair follicles, lymph vessels, arrector pili muscles, sebaceous (oil) glands, and nerve endings.  

A law that dictates that employers must inform their employees of the health effects and chemical hazards of the toxic substances used in each workplace. The employer must provide information concerning the generic and chemical names of the substances used; the level at which the exposure is hazardous; the effects of exposure at hazardous levels;…

Any milliamperage multiplied by an exposure time setting that gives the same milliamperage second outcome should give the same relative density to an image. However, this law is dramatically affected by the image receptor response curve, especially when it is not a 45° linear curve. In radiographic intensifying film and screen technologies, the reciprocity law…

Hoarseness, throat clearing, and alterations in voice quality thought to be the result of injury to the posterior vocal folds from reflux of acids from the stomach through the esophagus.  

A cephalometric, craniometric, or soft tissue landmark used for orientation or measurements.  

A continuation of the rostrum of the corpus callosum and the terminal lamina of the third ventricle of the brain.