Category: P

  • Pyocolpos

    An accumulation of pus in the vagina.  

  • Pyocele

    An enlargement of a tube or cavity due to accumulation of pus. A swelling caused by an accumulation of pus in a part of the body. A hernia or distended cavity containing pus.  

  • Pylorotomy

    A surgical operation to cut into the muscle surrounding the pylorus to relieve pyloric stenosis. Incision of the pylorus through its muscular layers to the level of the submucosa to relieve hypertrophic stenosis.  

  • Pylorospasm

    A muscle spasm which closes the pylorus so that food cannot pass through into the duodenum. Closure of the outlet of the stomach (pylorus) due to muscle spasm, leading to delay in the passage of stomach contents to the duodenum and vomiting. It is usually associated with duodenal or pyloric ulcers. Spasm of the pyloric…

  • Pyloroplasty

    A surgical operation to make the pylorus larger, sometimes combined with treatment for peptic ulcers. A surgical operation in which the outlet of the stomach (pylorus) is widened by a form of reconstruction. It is done to allow the contents of the stomach to pass more easily into the duodenum, particularly after ‘vagotomy to treat…

  • Pyloric stenosis

    A blockage of the pylorus, which prevents food from passing from the stomach into the duodenum. Narrowing of the pyloric sphincter, blocking the passage of food into the duodenum from the stomach and often causing projectile (forceful) vomiting. It may be congenital or, in adults, result from an ulcer or neoplasm. Treatment is usually by…

  • Pyloric orifice

    An opening where the stomach joins the duodenum.  

  • Pyloric antrum

    A space at the bottom of the stomach, before the pyloric sphincter. A bulge in the pyloric portion of the stomach along the greater curvature on distention.  

  • Pyloric

    Referring to the pylorus. To the distal portion of the stomach or to the opening between the stomach and duodenum.  

  • Pylorectomy

    A surgical operation to remove the pylorus and the antrum of the stomach. A surgical operation in which the muscular outlet of the stomach (pylorus) is removed. Surgical removal of the pylorus