Biology

• Myosin heavy chain - part of the motor protein myosin's quaternary protein structure
• Major histocompatibility complex
  Major histocompatibility complex
  Major histocompatibility complex is a cell surface molecule encoded by a large gene family in all vertebrates. MHC molecules mediate interactions of leukocytes, also called white blood cells , which are immune cells, with other leukocytes or body cells...
  
   - a highly polymorphic region on chromosome 6 with genes particularly involved in immune functions

Colleges

• Mars Hill College
  Mars Hill College
  Mars Hill College is a private, coed, liberal-arts college affiliated with the Baptist State Convention of North Carolina and the Cooperative Baptist Fellowship. The college is located in the small town of Mars Hill, North Carolina, due north of Asheville, western North Carolina's largest city...
  
   - a coeducational, liberal-arts college affiliated with the North Carolina Baptist Convention in Mars Hill, North Carolina, USA
• Mount Holyoke College
  Mount Holyoke College
  Mount Holyoke College is a liberal arts college for women in South Hadley, Massachusetts. It was the first member of the Seven Sisters colleges, and served as a model for some of the others...
  
   - a liberal arts women's college and a member of the Seven Sisters in South Hadley, Massachusetts, USA

Military

• The US Navy hull classification symbol
  Hull classification symbol
  The United States Navy, United States Coast Guard, and United States National Oceanic and Atmospheric Administration use hull classification symbols to identify their ship types and each individual ship within each type...
  
   for Coastal Minehunter
• Multiple Hypothesis Correlation

People

• Matthew Henry
  Matthew Henry
  Matthew Henry was an English commentator on the Bible and Presbyterian minister.-Life:He was born at Broad Oak, a farmhouse on the borders of Flintshire and Shropshire. His father, Philip Henry, had just been ejected under the Act of Uniformity 1662...
  
   Commentary (Biblical)
• Mary Higgins Clark
  Mary Higgins Clark
  Mary Theresa Eleanor Higgins Clark Conheeney , known professionally as Mary Higgins Clark, is an American author of suspense novels...
  
  , American suspense author

Other

• The Mile high club
  Mile High Club
  The Mile High Club is a slang term applied collectively to individuals who have sex while on board an aircraft in flight. There is no known formally constituted club so named...
  
  
• Mid Hudson Conference
  Mid Hudson Conference
  Mid Hudson Conference is hosted by the National Junior College Athletic Association, also known as Region XV is a junior college conference for many Tech and Community Colleges...
  
  
• Milwaukee Hurling Club
  Milwaukee Hurling Club
  The Milwaukee Hurling Club has promoted the sport of hurling through education and game play since 1996.The Milwaukee Hurling Club first introduced the sport of hurling to Milwaukee in 1996 with 30 members. In 1997, four teams were formed and this enabled the club to hold regular games. From 1998...