|
radiation |
anti-cancer
therapy or treatment using high-energy rays beamed to the tumor site to
destroy cancer cells |
|
radiation oncologist |
physician
trained in the use of radiation therapy for the treatment of cancer |
|
radical retropubic prostatectomy |
removal of
the entire prostate through an abdominal incision that allows the
surgeon to spare nerve tissue and analyze lymph nodes |
|
radiculopathy |
irritation
and inflammation of one of the nerve roots in the vicinity of the spinal
column |
|
rectocele |
herniation of
the rectum into the vagina |
|
rectum |
cavity
between colon and anal canal; approximately 5 inches long by 1 * inches
wide; stores feces prior to defecation |
|
REM (rapid eye-movement sleep) |
stage of
sleep that is characterized by significantly decreased muscle tone,
rapid eye movements, and dreaming; stage 5 sleep |
|
respiratory system |
group of body
organs responsible for carrying oxygen from the air to the bloodstream
and for expelling carbon dioxide as a waste product |
|
restless legs syndrome |
common
neurological disorder that causes pulling, tearing, and jerking
sensations in the legs when a person is at rest |
|
retina |
multilayered,
light-sensitive tissue that contains a variety of nerve cells (neurons)
that process visual information |
|
retinal vessels |
central
retinal artery and central retinal vein |
|
retrograde ejaculation |
discharge of
semen into the bladder rather than through the urethra and out of the
body |
|
retropubic prostatectomy |
surgical
procedure using an abdominal incision in order to incise the prostatic
capsule and remove obstructing tissue |
|
rheumatoid arthritis |
chronic
inflammatory disease that causes the body's immune system to attack the
joints |
|
rhinitis |
inflammation
of the mucous membranes lining the nose, often caused by allergies to
pollen, dust, and other airborne substances |
|
rigidity |
stiffness in
the limbs or body due to dysfunction of the basal ganglia and related
structures |
|
rods |
photoreceptor
cells in the retina that are primarily responsible for peripheral vision
and vision in dim light |
|
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