Category: R

Periorbital ecchymosis, which may be present in patients who have a basilar skull fracture.  

A genus of viruses whose official designation is Lyssavirus. The virus that causes human rabies is included in this group.  

Interlocking of the jagged edges of a fractured bone.  

A weak, rapid pulse with one wave continuing into the next. A very feeble, frequent pulse, with arteries lacking tension, where one pulse wave seamlessly merges into the next without distinct intervals.  

A pulse rate obtained while an individual is at rest and calm.  

A pulse felt when the force and frequency are the same (i.e., when the length of beat and number of beats per minute and the strength are the same).  

The portion of splenic pulp consisting of vascular sinuses through which blood flows. The sinuses are separated by pulp cords, made up of loosely connected macrophages that phagocytize foreign antigens and old or damaged red blood cells.  

Psoriasis with hyperkeratotic lesions on the feet.  

A prism mounted in a device that allows it to be rotated. This is used in testing eye muscle imbalance.  

A means of gaining mastery over a skill through training exercises that vary the sequence of elements in the skill. Compared with blocked practice, in which a skill is learned by fixed, repetitive drilling, random practice, with its frequently modified routine, results in better retention of the skill after training is completed.