Mindblown: a blog about philosophy.

  • Rachitic rosary

    Palpable areas at the juncture of the ribs with their cartilages. This is seen in conjunction with rickets.  

  • Rosary

    Something that resembles a string of beads.  

  • Rosaniline

    A basic dye used in preparing other dyes.  

  • Rosai-Dorfman disease

    A nonmalignant, lymphoproliferative disorder characterized by painless lymph node enlargement, fever, and polyclonal hyperglobulinemia.  

  • Steroid rosacea

    Acne caused by systemic or topical use of corticosteroid drugs.  

  • Ropeway

    A guidewire, especially one used to cannulate a narrow orifice, such as the sphincter of Oddi.  

  • Rope ladder

    A device that helps a person pull up from a supine to a seated position in bed. It is usually made of two strands of rope with several rigid plastic or wooden rungs strung at intervals. At one end is the first of several rungs that are used to grab and pull oneself up, and…

  • Root resorption of teeth

    Degeneration of tooth roots caused by endocrine imbalance or excessive pressure of orthodontic appliances. Root resorption may be categorized as internal or external. Internal root resorption, sometimes called internal granuloma, is usually a result of pulpal trauma. Affected teeth demonstrate a radiolucent enlargement within the pulp canal on a dental radiograph. External root resorption has…

  • Root pick

    A dental instrument for retrieving root fragments resulting from tooth extraction; also called apical elevator.  

  • Root formation

    The development of tooth roots by Hertwig’s root sheath and the epithelial diaphragm. It involves the formation of root dentin with a covering of cementum essential for the attachment of the tooth to the surrounding bony tissues. Root formation or development continues for months or years after the tooth has erupted into the mouth.  

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