Glossary
- QUADRANTANOPIA
- Defect in vision or blindness in one fourth of the visual field.
- QUADRATUS LUMBORUM
- A muscle lateral to the iliopsoas muscle of the spine running from the lower ribs to the ilium.
- QUADRIPLEGIA
- Paralysis of all four limbs.
- RACHIALGIA
- Pain in the vertebral column.
- RACHICENTESIS
- Lumbar puncture for examination of the spinal fluid; rachiocentesis.
- RACHIOCAMPSIS
- Curvature of the spine.
- RACHIOCHYSIS
- Effusion of fluid within the vertebral canal.
- RACHIOKYPHOSIS
- Humpbacked curvature of spine; kyphosis.
- RACHIOMYELITIS
- Inflammation of the spinal cord.
- RACHIOPARALYSIS
- Paralysis of the spinal muscles.
- RACHIOPATHY
- Any disease of the spine.
- RACHIOPLEGIA
- Spinal paralysis.
- RACHIOSCOLIOSIS
- Lateral curvature of the spine.
- RACHIOTOMY
- Incision into a vertebral canal for exploration.
- RACHISAGRA
- Pain or gout in the spine.
- RACHISCHISIS
- Abnormal congenital opening of the vertebral column.
- RACHITOMY
- Surgical or anatomic opening of the vertebral canal.
- RADIATION ONCOLOGIST
- A medical doctor who has received advanced training in the treatment of persons receiving x-ray treatment for an illness.
- RADIATION PHYSICIST
- A person having a PhD degree who is trained in the science dealing with the properties, changes and interactions of continuous energy.
- RADICLE
- A rootlet or structure resembling one, a minute veinlet joining with others to form a vein.
- RADICULAR
- Relating to the radicle.
- RADICULECTOMY
- Excision of a rootlet or resection of spinal nerve roots.
- RADICULOPATHY
- Disease of the nerve roots in or near the spinal canal as a result of direct pressure from a disc, or inflammation of the nerve roots due to disc or spinal joint disease.
- RADIOLOGIST
- A medical doctor who has received specialized training in interpreting x-rays, CTs, MRIs and performing angiography.
- RADIOTHERAPY
- Treatment of a lesion with radiation.
- RADIUS
- The lateral and shorter of the two bones of the foreman.
- RECOMBINANT HUMAN PROTEINS
- proteins developed by isolating a human protein and using recombinant DNA technology to produce genetically engineered proteins that act like natural proteins.
- REFERRED PAIN
- Sclerotomic in distribution and felt distant from its origin (e.g., bursitis in the shoulder produces pain in the lateral arm, and sciatic-like leg pain can be referred from the lower-back area).
- REFLEX
- An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the nervous centers in the brain or spinal cord.
- RESECTION
- The surgical removal of part of a structure, such as bone.
