Obstruction may refer to:

Places

Obstruction Island Obstruction Island is one of the San Juan Islands in San Juan County, Washington, United States. It lies off the southeast tip of Orcas Island, between it and Blakely Island. Obstruction Island has a land area of 0.882 km2 (0.3406 sq mi, or ...

, in Washington state * Obstruction Islands, east of New Guinea

Medicine

Obstructive jaundice Jaundice, also known as icterus, is a yellowish or, less frequently, greenish pigmentation of the skin and sclera due to high bilirubin levels. Jaundice in adults is typically a sign indicating the presence of underlying diseases involving ...

Obstructive sleep apnea Obstructive sleep apnea (OSA) is the most common sleep-related breathing disorder and is characterized by recurrent episodes of complete or partial airway obstruction, obstruction of the respiratory tract#Upper respiratory tract, upper airway lea ...

Airway obstruction Airway obstruction is a blockage of respiration in the airway that hinders the free flow of air. Airway obstructions can occur either in the upper airway or lower airway. The upper airway consists of the nose, throat, and larynx. The lower ai ...

, a respiratory problem **

Recurrent airway obstruction Recurrent airway obstruction, also known as broken wind, heaves, wind-broke horse, or sometimes by the term usually reserved for humans, chronic obstructive pulmonary disease or disorder (COPD) – it is a respiratory disease or chronic conditio ...

Bowel obstruction Bowel obstruction, also known as intestinal obstruction, is a mechanical or Ileus, functional obstruction of the Gastrointestinal tract#Lower gastrointestinal tract, intestines which prevents the normal movement of the products of digestion. Ei ...

, a blockage of the intestines. *

Gastric outlet obstruction Gastric outlet obstruction (GOO) is a medical condition where there is an obstruction at the level of the pylorus, which is the outlet of the stomach. Individuals with gastric outlet obstruction will often have recurrent vomiting of food that ha ...

* Distal intestinal obstruction syndrome *

Congenital lacrimal duct obstruction Nasolacrimal duct obstruction is the obstruction of the nasolacrimal ducts (better known as the tear ducts) and may be either congenital or acquired. Obstruction of the nasolacrimal ducts leads to the excess overflow of tears called epiphora. ...

Bladder outlet obstruction Bladder outlet obstruction (or obstructive uropathy) occurs when urine is unable to flow from the kidneys through the ureters and out of the bladder through the urethra. Decreased flow of urine leads to swelling of the urinary tract, called hydron ...

Politics and law

Obstruction of justice In United States jurisdictions, obstruction of justice refers to a number of offenses that involve unduly influencing, impeding, or otherwise interfering with the justice system, especially the legal and procedural tasks of prosecutors, investiga ...

, the crime of interfering with law enforcement *

Obstructionism Obstructionism is the practice of deliberately delaying, preventing or Abuse of process, abusing a process. In politics Obstructionism or policy of obstruction denotes the deliberate interference with the progress of a legislation by various me ...

, the practice of deliberately delaying or preventing a process or change, especially in politics *

Emergency Workers (Obstruction) Act 2006 The Emergency Services (Obstruction) Act 2006 (c 39) is an Act of the Parliament of the United Kingdom. It is intended to reduce the instances of obstruction of, or assaults on, emergency service personnel. Sections 1 to 6 came into force on 20 ...

Science and mathematics

Obstruction set Obstruction may refer to: Places * Obstruction Island, in Washington state * Obstruction Islands, east of New Guinea Medicine * Obstructive jaundice * Obstructive sleep apnea * Airway obstruction, a respiratory problem ** Recurrent airway ob ...

forbidden graph characterization In graph theory, a branch of mathematics, many important families of Graph (discrete mathematics), graphs can be described by a finite set of individual graphs that do not belong to the family and further exclude all graphs from the family whic ...

s, in the study of

graph minor In graph theory, an undirected graph is called a minor of the graph if can be formed from by deleting edges, vertices and by contracting edges. The theory of graph minors began with Wagner's theorem that a graph is planar if and only if ...

s in

graph theory In mathematics and computer science, graph theory is the study of ''graph (discrete mathematics), graphs'', which are mathematical structures used to model pairwise relations between objects. A graph in this context is made up of ''Vertex (graph ...

Obstruction theory Obstruction may refer to: Places * Obstruction Island, in Washington state * Obstruction Islands, east of New Guinea Medicine * Obstructive jaundice * Obstructive sleep apnea * Airway obstruction, a respiratory problem ** Recurrent airway obstr ...

, in mathematics *

Propagation path obstruction In telecommunications, a propagation path obstruction is a man-made or natural physical feature that lies near enough to a radio path to cause a measurable effect on path loss, exclusive of reflection effects. An obstruction may lie to the side, a ...

** Single Vegetative Obstruction Model

Sports

Obstruction (baseball) In baseball, obstruction is when a fielder illegally hinders a baserunner running within the basepath. Baserunners are generally permitted to run from base to base without being physically blocked or hindered by a fielder. The only time that a ...

, when a fielder illegally hinders a baserunner *

Obstructing the field Obstructing the field is one of the ten methods of dismissing a batsman in the sport of cricket. Either batsman can be given out if he wilfully attempts to obstruct or distract the fielding side by word or action. It is Law 37 of the Laws of ...

Places

Medicine

Politics and law

Science and mathematics

Sports

See also