a recurring sleep state during which dreaming occurs
REM sleep
Noun
a recurring sleep state during which dreaming occurs
rapid eye movement
Noun
a recurring sleep state during which dreaming occurs
regional anesthesia
Noun
loss of sensation in a region of the body produced by application of an anesthetic agent to all the nerves supplying that region (as when an epidural anesthetic is administered to the pelvic region during childbirth)
regional anaesthesia
Noun
loss of sensation in a region of the body produced by application of an anesthetic agent to all the nerves supplying that region (as when an epidural anesthetic is administered to the pelvic region during childbirth)
ragpicker's disease
Noun
a form of anthrax infection acquired by inhalation of dust containing Bacillus anthracis
ragsorter's disease
Noun
a form of anthrax infection acquired by inhalation of dust containing Bacillus anthracis
raptus hemorrhagicus
Noun
seizure caused by a sudden profuse hemorrhage
roots
Noun
the condition of belonging to a particular place or group by virtue of social or ethnic or cultural lineage
rheumatism
Noun
any painful disorder of the joints or muscles or connective tissues
rheumatism
Noun
a chronic autoimmune disease with inflammation of the joints and marked deformities
renal disorder
Noun
a disease affecting the kidneys
renal failure
Noun
an inability of the kidneys to excrete wastes and to help maintain the electrolyte balance
renal insufficiency
Noun
insufficient excretion of wastes by the kidneys
renal lithiasis
Noun
the presence of kidney stones (calculi) in the kidney
rhinostenosis
Noun
narrowing of the passages in the nasal cavities
reflex epilepsy
Noun
a form of epilepsy in which attacks are induced by peripheral stimulation
receptive aphasia
Noun
aphasia characterized by fluent but meaningless speech and severe impairment of the ability understand spoken or written words
ratbite fever
Noun
either of two infectious diseases transmitted to humans by the bite of a rat or mouse
rickettsial disease
Noun
infectious disease caused by ticks or mites or body lice infected with rickettsial bacteria
rickettsiosis
Noun
infectious disease caused by ticks or mites or body lice infected with rickettsial bacteria
rubeola
Noun
an acute and highly contagious viral disease marked by distinct red spots followed by a rash
rat typhus
Noun
acute infection caused by rickettsia and transmitted by the bite of an infected flea
rubella
Noun
a contagious viral disease that is a milder form of measles lasting three or four days
respiratory distress syndrome of the newborn
Noun
an acute lung disease of the newborn (especially the premature newborn)
roseola infantum
Noun
a viral disease of infants and young children
roseola infantilis
Noun
a viral disease of infants and young children
rickettsialpox
Noun
mild infectious rickettsial disease caused by a bacterium of the genus Rickettsia transmitted to humans by the bite a mite that lives on rodents
relapsing fever
Noun
marked by recurring high fever and transmitted by the bite of infected lice or ticks
recurrent fever
Noun
marked by recurring high fever and transmitted by the bite of infected lice or ticks
rheumatic fever
Noun
a severe disease chiefly of children and characterized by painful inflammation of the joints and frequently damage to the heart valves
rheumatic heart disease
Noun
heart disease caused by recurrent episodes of rheumatic fever
ringworm
Noun
infections of the skin or nails caused by fungi and appearing as itching circular patches
red-green dichromacy
Noun
confusion of red and green
red-green color blindness
Noun
confusion of red and green
red-green colour blindness
Noun
confusion of red and green
respiratory disease
Noun
a disease affecting the respiratory system
respiratory illness
Noun
a disease affecting the respiratory system
respiratory disorder
Noun
a disease affecting the respiratory system
rheumatoid arthritis
Noun
a chronic autoimmune disease with inflammation of the joints and marked deformities
rheumatoid factor
Noun
autoantibody that is usually present in the serum of people with rheumatoid arthritis
refractory anemia
Noun
any of various anemic conditions that are not successfully treated by any means other than blood transfusions (and that are not associated with another primary disease)
respiratory tract infection
Noun
any infection of the respiratory tract
respiratory infection
Noun
any infection of the respiratory tract
raw throat
Noun
inflammation of the fauces and pharynx
red-blindness
Noun
dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue
rim blight
Noun
a disease of tea plants
rheumatoid spondylitis
Noun
a chronic form of spondylitis primarily in males and marked by impaired mobility of the spine
rickets
Noun
childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus