Category: W

  • Whooping cough

    Whooping cough

    Acute infectious disease usually in children caused by a Bacillus bacterium and accompanied by catarrh of the respiratory passages and repeated bouts of coughing. A respiratory infection caused by Bordetella pertussis and characterized by paroxysmal coughing ending in a prolonged crowing intake of breath. A bacterial infection especially of the children caused by bacterium Bordetella…

  • Whitlow

    Whitlow

    Painful infection of the hand involving one or more fingers that typically affects the terminal phalanx. An infection of the fingers caused by herpes simplex virus. An old general term for any suppurative inflammation on a finger or toe. An inflammation caused by infection near the nail in the fleshy part of the tip of…

  • White fat

    White adipose tissue (WAT) in mammals, store of energy. cf. brown fat.  

  • Wheal

    Wheal

    A firm, elevated swelling of the skin. Also called a weal or welt. An inflammatory response to mild skin irritation, with a well-defined, raised redness, lasting for perhaps and hour and then disappearing. The cause is usually atopic allergies in an IgE-excess person, although mild, subclinical adrenocortical deficiency can be another factor. Generally round, transient…

  • Wart

    Wart

    An infectious skin tumour caused by a viral infection. A common skin tumor caused by a virus infection. It is contagious from case to case or from skin area to skin area in the same individual. A cauliflower-like overgrowth of epidermal cells. A small hard harmless growth on the skin, usually on the hands, feet…

  • Wrought

    Shaped into a form by use of hands or tools.  

  • Wrench

    Device or tool used to apply torsional force to an object, as in tightening or loosening a screw or bolt. To injure part of the body by twisting it suddenly and forcibly.  

  • Woven bone

    Collagen fibrils oriented in a random or felt‐like manner; primarily formed in embryos. In adults, it reappears when accelerated bone formation is required (i.e., healing bone). It has interlacing fibrils, numerous and large osteocytes, and a rather high mineral density. The mineralization process starts 1–3 days after osteoid formation.  

  • Wound healing

    Natural process of restoration of integrity to traumatized tissue in the body. It comprises a set of events that take place in a predictable fashion to repair the damage. These events overlap in time and are categorized into separate phases: inflammatory, proliferative, and maturation. Restoration of integrity to traumatized tissue.  

  • Wound dehiscence

    Incomplete wound healing because of insufficient blood supply, excessive postsurgical edema, or compromised healing. The splitting open of a surgical incision.