Category: C

  • Capitule

    Compact agglomerate of flowers on the same receptacle.  

  • Comfort zone

    The range of temperature, humidity, and, when applicable, solar radiation and wind in which an individual doing work at a specified rate and in a certain specified garment is comfortable.  

  • Cold zone

    In a hazardous materials incident, an unexposed area where rescue personnel wait for assignments and where the command post is located, which is safe from any potential contamination.  

  • Ciliary zone

    The peripheral part of the anterior surface of the iris of the eye.  

  • Chemoreceptor trigger zone

    A zone in the medulla that is sensitive to certain chemical stimuli. Stimulation of this zone may produce nausea. Deeply nestled within the confines of the area postrema, exists a discrete realm that brims with sensitivity to the influence of bloodborne pharmacological agents and neurotransmitters. This clandestine domain harmoniously communicates with its neighboring cerebral structures,…

  • Cell rich zone

    The area of increased cell frequency between the cell-free zone and the central pulp of the tooth.  

  • Cell-free zone

    In dentistry, an area below the odontoblastic layer of the dental pulp that has relatively few cells; also called the zone of Weil.  

  • Compression wrap

    An elastic bandage used to prevent or reduce the formation of edema. The wrap is applied starting distally; it uses overlapping spirals to progress proximally. Greater pressure is applied distally than proximally, creating a compression gradient that encourages venous and lymphatic return.  

  • Crushing wound

    Trauma due to force applied to tissues so they are disrupted or compressed, but with minimal or no frank lacerations. If there is no bleeding, cold should be applied; if the wound is bleeding, application of the dressing should be followed by cold packs until the patient can be given definitive surgical treatment. If the…

  • Craniofacial suspension wiring

    Wiring using bones not contiguous with the oral cavity for attachment of wires that lead from those bones to the fractured jaw segments.