Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «M»:
Muromonab-CD3: A murine monoclonal antibody. See: OKT3....
Murray Valley encephalitis
Murray Valley encephalitis: A viral encephalitis first recognized in the Murray Valley, in Victoria, Australia, caused by a flavivirus that infects birds is transmitted by mosquitoes. Children are the most seriously affected. Patients may have headache, fever, malaise, drowsiness or convulsions. Th...
Mus musculus: The laboratory mouse....
Mus musculus genome
Mus musculus genome: All of the genetic information contained in Mus musculus, the laboratory mouse.
The genomes of particular nonhuman organisms such as the mouse have been studied for a number of reasons including the need to improve sequencing and analysis techniques. These nonhuman genomes als...
Muscle: Muscle is the tissue of the body which primarily
functions as a source of power. There are three types of muscle in the body. Muscle which
is responsible for moving extremities and external areas of the body is called
"skeletal muscle." Heart muscle is called "cardiac muscle.&...
Muscle biopsy: A minor
surgical procedure done under local anesthetic using a
needle or a small incision to remove a small sample of muscle. The procedure may
be done to confirm a clinical diagnosis, distinguish between nerve and muscle disorders, identify a metabolic defect of muscle, diagnose ...
Muscle cramp: An involuntarily and forcibly contracted muscle that does not relax. When we use the muscles such as those of our arms and legs that can voluntarily be controlled, they alternately contract and relax as we move our limbs. Muscles that support our head, neck, and trunk contract similarl...
Muscle relaxant: Muscle
relaxant is a term usually used to refer to skeletal muscle relaxants (drugs), which act on the central nervous system
(CNS) to relax muscles. These drugs are often prescribed to reduce pain and
soreness associated with sprains, strains, or other types of muscle injury. So...
Muscle, abductor: Any muscle used to pull a
body part away from the midline of the body. For example, the
abductor muscles of the legs spread the legs away from the midline
and away from one another.
The word "abductor" comes from the Latin prefix "ab-" meaning "away from" + "ducere" meaning "to ...
Muscle, adductor: Any muscle that pulls a body part toward the midline of the body. For example, the adductor muscles of the legs pull the legs toward the midline of the body so the legs are closer together.
The word "adductor" comes from the Latin prefix "ad" meaning "toward" + "ducere" meaning "t...
Muscle, cardiac: A type of muscle with unique features only found in the heart. The cardiac muscle is the muscle of the heart and medically is called the myocardium ("myo-" being the prefix denoting muscle)....
Muscle, central core disease of
Muscle, central core disease of: See: Central core disease of muscle....
Muscle, ciliary: One of the muscles that
relax the zonules to enable the lens to change shape for focusing.
The zonules are fibers that hold the lens suspended in position and enable it to change shape during accommodation....
Muscle, heart: A type of muscle with unique features only found in the heart. The heart or cardiac muscle is medically called the myocardium ("myo-" being the prefix denoting muscle)....
Muscle, infraspinatus: A muscle that assists the lifting
of the arm while turning the arm outward (external rotation). The
tendon of the infraspinatus muscle is one of four tendons that
stabilize the shoulder joint and constitute the rotator cuff. Each of
the four tendons that makes up the rota...