Category: R

The ability to effectively and satisfactorily perform as expected within one’s life roles.  

A comminuted intra-articular fracture of the base of the first metacarpal with distal fragment subluxation. This fracture is similar to a Bennett’s fracture but with more comminution.  

The furrow between the frontal and parietal lobes of a cerebral hemisphere.  

A motor area in the cerebral cortex, situated in the anterior central convolution in front of Rolando’s fissure in each hemisphere.  

A synthetic radioactive metal with a short-half life (formerly, Unununium; the symbol was Uuu); atomic number 111.  

A measure of the effect that a specific dose of radiation has on human cells. It is expressed numerically as the product of the radiation absorbed dose (rad) and a quality factor (QF) specific for the type of radiation. The SI unit equivalent to the rem is the sievert (Sv). One rem is equal to…

The photoreceptor cells of the retina. They are between the pigment epithelium and the bipolar layer of neurons. The rods contain rhodopsin, which is stimulated by light; the cones contain one of three other photopigments, which are stimulated by various wavelengths of visible light (colors). Light-receiving cells on the retina that enable a person to…

A receptor in the retina that responds to the presence of light.  

A technique in neurodevelopmental rehabilitation for increasing muscle tone in hypotonic patients through vestibular stimulation.  

An assistive device for persons with limited upper-extremity function. It allows one-handed stabilization and cutting of food.