Astronomy

• Mercury Planetary Orbiter, one component of the BepiColombo mission to Mercury
• Minor Planet Circulars Orbit Supplement, an astronomical publication from the Minor Planet Center
  Minor Planet Center
  The Minor Planet Center operates at the Smithsonian Astrophysical Observatory , which is part of the Center for Astrophysics along with the Harvard College Observatory ....
  
  
• Minor Planet Observer, an astronomical computer program partially based on the work of Mikko Kaasalainen
  Mikko Kaasalainen
  Mikko K.J. Kaasalainen is a Finnish applied mathematician and mathematical physicist. He is currently professor of mathematics at the department of mathematics at Tampere University of Technology...
  
  

Science and technology

• Myeloperoxidase
  Myeloperoxidase
  Myeloperoxidase is a peroxidase enzyme that in humans is encoded by the MPO gene. Myeloperoxidase is most abundantly expressed in neutrophil granulocytes . It is a lysosomal protein stored in azurophilic granules of the neutrophil...
  
  , a peroxidase enzyme most abundantly present in neutrophil granulocytes
• .mpo file or Multi Picture Object, a 3D computer graphics image file format
• Medial preoptic area, a portion of the preoptic area
  Preoptic area
  The preoptic area is a region of the hypothalamus. According to the MeSH classification, it is considered part of the anterior hypothalamus. There are four nuclei in this region, according to Terminologia Anatomica .-Functions:The preoptic area is responsible for thermoregulation and receives...
  
   of the hypothalamus
• Multi-fiber Push-On, a type of optical fiber connector
  Optical fiber connector
  An optical fiber connector terminates the end of an optical fiber, and enables quicker connection and disconnection than splicing. The connectors mechanically couple and align the cores of fibers so that light can pass...
  
  

Organizations

• Macedonian Patriotic Organization
  Macedonian Patriotic Organization
  Macedonian Patriotic Organization is a political organization founded in Fort Wayne, Indiana in the United States in 1922 by immigrants from Greek Macedonia. It was originally called the Macedonian Political Organization but changed its name in 1952. From 1926 it has published the newspaper...
  
  , a United States and Canadian organization supporting Macedonians
• Malaysian Philharmonic Orchestra
  Malaysian Philharmonic Orchestra
  The Malaysian Philharmonic Orchestra is a Malaysian orchestra, resident at the Dewan Filharmonik Petronas in Kuala Lumpur. The orchestra gives concerts throughout Malaysia and also in Singapore....
  
  , a Malaysian orchestra based in Kuala Lumpur
• Management and Planning Organisation of Iran
  Management and Planning Organisation of Iran
  The Management and Planning Organization of Iran was one of the largest governmental establishments in Iran. From 1948 until 2007 it was fully responsible for preparing the country's budget....
  
  , a now-dissolved organization previously responsible for Iran's budget
• Metropolitan planning organization
  Metropolitan planning organization
  A metropolitan planning organization is a federally-mandated and federally-funded transportation policy-making organization in the United States that is made up of representatives from local government and governmental transportation authorities...
  
  , a type of transportation policy-making organization in the United States

Other

• Metal Gear Solid: Portable Ops
  Metal Gear Solid: Portable Ops
  is a stealth game directed by Masahiro Yamamoto and written by Gakuto Mikumo, with series creator Hideo Kojima acting as a producer. Portable Ops was developed by Kojima Productions and published by Konami in 2006 for the PlayStation Portable. It is the third Metal Gear title for the PSP and the...
  
  , a 2006 stealth video game
• Military Post Office, a key part of a military mail
  Military mail
  A primary feature of military mail systems is that normally they are subsidized to ensure that military mail posted between duty stations abroad and the home country does not cost the sender any more than normal domestic mail traffic...
  
   system
• Pocono Mountains Municipal Airport's IATA code
• Market process outsourcing, the outsources of marketing
  Marketing
  Marketing is the process used to determine what products or services may be of interest to customers, and the strategy to use in sales, communications and business development. It generates the strategy that underlies sales techniques, business communication, and business developments...
  
   processes to other companies
• MPO France, previously Moulages et Plastiques de l'Ouest, a French CD and DVD manufacturer