Category: C

  • Crotch

    The point where the legs meet the body, where the genitals are.  

  • Crotamiton

    A chemical that kills mites, used to treat scabies. A drug that destroys mites and is used to treat scabies and similar skin infections and also to relieve itching. It is applied to the skin as a lotion or ointment and sometimes causes reddening and hypersensitivity reactions.  

  • Cross-section

    A small part of something, taken to be representative of the whole. A sample cut across a specimen for examination under a microscope. To cut across a plane to study tissue or cells. Usually, an image of an object, such as a part of the body, which is at right angles to the long axis…

  • Cross-resistance

    The development by a disease agent of resistance to a number of similar drugs or chemicals of the same class.  

  • Crossmatching

    The process of matching a transplant donor to a recipient as closely as possible to avoid tissue rejection. Procedure used by blood banks to determine the compatibility of a donor’s blood with that of a potential transfusion recipient after initial typing has been done. Determining the compatibility of a donor’s blood with a recipient’s blood…

  • Crossmatch

    To match a donor to a recipient as closely as possible to avoid tissue rejection. A test is conducted to ascertain the compatibility between the tissues of a patient and a potential donor.  

  • Cross-infection

    An infection passed from one patient to another in hospital, either directly or from nurses, visitors or equipment. The transfer of an infectious organism or disease from one patient in a hospital to another.  

  • Cross-eyed

    Having convergent strabismus (informal). In the realm of ocular conditions, there exists a form of strabismus commonly referred to as “esotropia.” This particular ocular misalignment entails one eye deviating inwardly in relation to its counterpart, or in certain cases, both eyes converging inwardly towards each other. Esotropia, also known as “squint,” manifests as an inward…

  • Cross-dresser

    Someone who wears clothes usually worn by people of the opposite sex, e.g. a transvestite.  

  • Cromolyn sodium

    A drug that helps to prevent the release of histamine and other substances which cause many of the symptoms of asthma and hay fever. A drug used to prevent and treat asthma and allergic bronchitis. It is administered by inhalation and may cause throat irritation.