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| This glossary contains: 19186 medical terms |
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Rooting reflex
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Rooting reflex One of the reflexes present at birth; infants will automatically turn their heads and start sucking when their cheeks are stroked.
SIMILAR TERMS--------------------------------------
Root
Tooth structure that connects the tooth to the jaw.
Root canal
Common term for root canal therapy, also the interior space of the tooth root.
Root canal therapy
Process of removing pulp of a tooth and filling it with an inert material.
ROOT CANAL THERAPY
When a tooth abscesses or has a pulp (nerve) exposure due to decay or trauma, root canal therapy or endodontic treatment is performed so that the damaged tooth may remain in the mouth and be saved. Years ago, if a tooth abscessed, it had to be extracted. Today dentists can save teeth by removing the pulp, the soft tissue in the root, cleaning and shaping the canal or canals and filling the root to seal out recontamination of the root system. This procedure is usually done in one to three visits with relatively little pain. If the abscess is severe, antibiotics may be used to help heal the infection. In almost all cases a crown and post (See "Crown") will be needed to restore the tooth to proper function and appearance. Root canal teeth can last a lifetime with proper care of the teeth and gums.
Root resection
Removal of a portion of diseased root structure, retaining the remaining natural tooth.
PREVIOUS AND NEXT TERMS--------------------------------------
Reproductive system
The male and female organs responsible for reproduction.
Reproductive technology
Procedures and medical interventions used to aid conception.
Respiratory distress syndrome
Common in premature infants, RDS means a baby can't take in enough oxygen because his or her lungs aren't yet fully developed. With proper treatment, about 80 percent of babies recover fully.
Rh incompatibility
A condition in which a baby's blood type is incompatible with the mother's. If carefully monitored and treated, women whose Rh factor is incompatible with their fetus's will usually give birth to a healthy baby.
Rooming-in
When a newborn stays in the same room as the mother in a hospital after birth.
Rooting reflex
Roseola infantum
A common viral illness in children under 2, roseola infantum begins with a high fever, runny nose, and swollen glands, usually followed by a rash on the torso, arms, or legs. While the infection is common, serious complications from roseola infantum are rare.
RU-486
An abortion-inducing pill, RU-486 works by blocking the action of progesterone, which is vital for maintaining a pregnancy. Effective only during the first seven weeks of pregnancy or up to five weeks after a missed period.
Rubella
A mild, highly contagious viral disease that can cause serious birth defects if a pregnant woman is afflicted. Women who haven't had it should make sure they're immunized before conception.
Receptive field
Area of the retina and visual space that when stimulated produces a change in the response rate of a neuron.
Reflectance
The fraction of incident light that is reflected toward the eye by an object.
SIMILAR TERMS--------------------------------------
Root
Tooth structure that connects the tooth to the jaw.
Root canal
Common term for root canal therapy, also the interior space of the tooth root.
Root canal therapy
Process of removing pulp of a tooth and filling it with an inert material.
ROOT CANAL THERAPY
When a tooth abscesses or has a pulp (nerve) exposure due to decay or trauma, root canal therapy or endodontic treatment is performed so that the damaged tooth may remain in the mouth and be saved. Years ago, if a tooth abscessed, it had to be extracted. Today dentists can save teeth by removing the pulp, the soft tissue in the root, cleaning and shaping the canal or canals and filling the root to seal out recontamination of the root system. This procedure is usually done in one to three visits with relatively little pain. If the abscess is severe, antibiotics may be used to help heal the infection. In almost all cases a crown and post (See "Crown") will be needed to restore the tooth to proper function and appearance. Root canal teeth can last a lifetime with proper care of the teeth and gums.
Root resection
Removal of a portion of diseased root structure, retaining the remaining natural tooth.
PREVIOUS AND NEXT TERMS--------------------------------------
Reproductive system
The male and female organs responsible for reproduction.
Reproductive technology
Procedures and medical interventions used to aid conception.
Respiratory distress syndrome
Common in premature infants, RDS means a baby can't take in enough oxygen because his or her lungs aren't yet fully developed. With proper treatment, about 80 percent of babies recover fully.
Rh incompatibility
A condition in which a baby's blood type is incompatible with the mother's. If carefully monitored and treated, women whose Rh factor is incompatible with their fetus's will usually give birth to a healthy baby.
Rooming-in
When a newborn stays in the same room as the mother in a hospital after birth.
Rooting reflex
Roseola infantum
A common viral illness in children under 2, roseola infantum begins with a high fever, runny nose, and swollen glands, usually followed by a rash on the torso, arms, or legs. While the infection is common, serious complications from roseola infantum are rare.
RU-486
An abortion-inducing pill, RU-486 works by blocking the action of progesterone, which is vital for maintaining a pregnancy. Effective only during the first seven weeks of pregnancy or up to five weeks after a missed period.
Rubella
A mild, highly contagious viral disease that can cause serious birth defects if a pregnant woman is afflicted. Women who haven't had it should make sure they're immunized before conception.
Receptive field
Area of the retina and visual space that when stimulated produces a change in the response rate of a neuron.
Reflectance
The fraction of incident light that is reflected toward the eye by an object.
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This dictionary contains 19186 terms.
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