All Words Glossary

Glossary of Pathology Terms
beginning with letter M
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macrocyte Tweet Definition of macrocyte Like Definition of macrocyte on Facebook
  1. an unusually large red blood cell that is associated with pernicious anemia
maculation Tweet Definition of maculation Like Definition of maculation on Facebook
  1. The act of spotting; a spot; a blemish.
mad cow disease Tweet Definition of mad cow disease Like Definition of mad cow disease on Facebook
  1. (colloquial) bovine spongiform encephalopathy
maim Tweet Definition of maim Like Definition of maim on Facebook
  1. to wound seriously; to cause permanent loss of function of a limb
malady Tweet Definition of malady Like Definition of malady on Facebook
noun (malad, ies)
  1. Any ailment or disease of the human body; especially, a lingering or deep-seated disorder.
    • The maladies of the body may prove medicines to the mind. Buckminster.
      1. A moral or mental defect or disorder.
    • Love's a malady without a cure. Dryden.
malaria Tweet Definition of malaria Like Definition of malaria on Facebook
  1. A disease spread by mosquito
malformation Tweet Definition of malformation Like Definition of malformation on Facebook
  1. An abnormal formation.
  2. (teratology) An abnormal developmental feature of offspring.
malformed Tweet Definition of malformed Like Definition of malformed on Facebook
  1. not formed correctly
malignancy Tweet Definition of malignancy Like Definition of malignancy on Facebook
noun (malignancies)
  1. The state of being malignant or diseased.
  2. A malignant cancer.
  3. That which is malign; evil, depravity, malevolence.
1902 A cold wind swept down from it and set us shivering. Somewhere there, on that desolate plain, was lurking this fiendish man, hiding in a burrow like a wild beast, his heart full of against the whole race which had cast him out. Arthur Conan Doyle,,+Arthur+Conan:+The+Hound+of+the+Baskervilles,+1901-1902&query=malignancy&id=DoyHoun The Hound of the Baskervilles.
marasmus Tweet Definition of marasmus Like Definition of marasmus on Facebook
  1. (medicine) any wasting disease, especially a severe loss of body weight, in children, caused by malnutrition or the inability to digest protein
mastitis Tweet Definition of mastitis Like Definition of mastitis on Facebook
  1. inflammation, Inflammation of a breast or udder
mastoiditis Tweet Definition of mastoiditis Like Definition of mastoiditis on Facebook
noun (mastoiditides)
  1. (pathology) inflammation, Inflammation of the mastoid; inflammation of the ear.
matter Tweet Definition of matter Like Definition of matter on Facebook
  1. (physics) The basic structural component of the universe. Matter usually has mass and volume.
    • 1924: ARISTOTLE. Metaphysics. Translated by W. D. Ross. Nashotah, Wisconsin, USA: The Classical Library, 2001. Available at: <>. Book 1, Part 5.
    • : Parmenides seems to fasten on that which is one in definition, Melissus on that which is one in ,
      1. (physics) Non-antimatter matter.
      2. A kind of substance.
      1. A reason for concern; being amiss.
      What's the ?
      1. A situation.
      a trivial
      1. A cause.
      a for concern
      1. (neurology) Gray and white matter are the two nerve tissue types that comprise the brain and spinal cord.
  1. (intransitive): Be important.
The only thing that matters to Jim is being rich.
MD Tweet Definition of MD Like Definition of MD on Facebook
  1. Maryland, a state of the United States of America.
  1. Symbol indicating a medical degree; medical physician or doctor.
  2. managing director, Managing director.
  3. Mini Disc.
melaena Tweet Definition of melaena Like Definition of melaena on Facebook
  1. (alternative spelling of, melena)
melanic Tweet Definition of melanic Like Definition of melanic on Facebook
  1. Of, relating to, or exhibiting melanism.
melanoma Tweet Definition of melanoma Like Definition of melanoma on Facebook
  1. (context, oncology, disease) A dark-pigmented, usually malignant tumor arising from a melanocyte and occurring most commonly in the skin.
melena Tweet Definition of melena Like Definition of melena on Facebook
  1. The passage of dark, tarry stools containing blood, as the result of upper gastrointestinal bleeding
meningitis Tweet Definition of meningitis Like Definition of meningitis on Facebook
noun (plural: meningitides)
  1. (pathology) Inflammation of the meninges, characterized by headache, neck stiffness and photophobia and also fever, chills, vomiting and myalgia.
meningocele Tweet Definition of meningocele Like Definition of meningocele on Facebook
  1. (medicine) a form of spina bifida in which a sac of brain tissue protrudes through the skull
mesothelioma Tweet Definition of mesothelioma Like Definition of mesothelioma on Facebook
noun (plural: mesotheliomas or mesotheliomata)
  1. (pathology) An uncommon malignant tumour of the mesothelium, usually of the lungs after exposure to asbestos.
metaplasia Tweet Definition of metaplasia Like Definition of metaplasia on Facebook
  1. (biology) the conversion of one type of tissue into another
metastasize Tweet Definition of metastasize Like Definition of metastasize on Facebook
  1. (medicine) of a disease or tumour, to spread to other sites in the body, to undergo metastasis
  • 1989: On other screens are closeups of skin pores, before and after, details of regimes for everything, your hands, your neck, your thighs. Your elbows, especially your elbows: aging begins at the elbows and metastasizes. " Margaret Atwood, Cat's Eye
  • 2001: "Your lump could be a secondary cancer metastasized from the bowel. I had a patient like that not long ago." " David Lodge, Thinks...
    MG Tweet Definition of MG Like Definition of MG on Facebook
    initialism (wikipedia, MG (car))
    1. ("Morris Garages") A British sports-car manufacturer.
    microcyte Tweet Definition of microcyte Like Definition of microcyte on Facebook
    1. an unusually small red blood cell found with some forms on anemia
    micrographia Tweet Definition of micrographia Like Definition of micrographia on Facebook
    1. The quality of having small sized handwriting.
    2. A symptom of Parkinson's disease.
    migraine Tweet Definition of migraine Like Definition of migraine on Facebook
    noun (plural: migraines)
    1. (pathology) A severe, disabling headache, usually affecting only one side of the head, and often accompanied by nausea, vomiting, photophobia and visual disturbances.
    He had a headache so bad that he wished he was dead, but it was the sort of that promised him he would continue to suffer but not die.
    After consuming too much coffee everyday for six weeks, she got severe migraines that would last up until 47 minutes after her first cup of coffee.
    Mongol Tweet Definition of Mongol Like Definition of Mongol on Facebook
    proper noun (plural: Mongols)
    1. A person from Mongolia; a Mongolian.
    2. A member of any of the various Mongol ethnic groups living in The Mongolian People's Republic, the (former) USSR, Tibet and Nepal.
    3. (usually mongol) A person with Down's syndrome.
    4. A member of the nomadic people from the steppes of central Asia who invaded Europe in the 13th Century. The mongol Empire stretched from the Eastern seas of China to the gates of Vienna.
      • Mathew Paris Chron. Maj. iv.76ff, Translated from The journey of William Rubruck (Hakluyt Society, 2nd series, no.4; 1900) pp. xv-xvi.
        : They are inhuman and beastly, rather monsters than men, thirsting for and drinking blood, tearing and devouring the flesh of dogs and men, dressed in ox-hides, armed with plates of iron short, stout, thickset, strong, invincible, indefatigable, their backs unprotected, their breasts covered with armour...They have one-edged swords and daggers and spare neither age, nor sex nor condition.
    mongoloid Tweet Definition of mongoloid Like Definition of mongoloid on Facebook
    1. (anthropology) A member of the racial classification of humanity composed of peoples native to North Asia, East Asia, Pacific Oceania, the Americas and Greenland, as well as their diaspora in other parts of the world.
    mononucleosis Tweet Definition of mononucleosis Like Definition of mononucleosis on Facebook
    1. (pathology) A viral infection marked by extreme fatigue, high fever, and swollen lymph nodes, caused by an unusually high number of monocytes.
    monster Tweet Definition of monster Like Definition of monster on Facebook
    1. A terrifying and dangerous creature.
    2. A bizarre or whimsical creature.
    The children decided Grover was a cuddly .
    1. An extremely antisocial person, especially a criminal.
    2. (figuratively) A badly behaved child.
    Sit still, you little !
    1. (bodybuilding): A bodybuilder of exceptionally large weight and proportions, typically weighing more than 135 kilos (300 lbs).
    adjective (no (compar) or (superl))
    1. Very large; worthy of a monster.
    He has a monster appetite.
    morbilli Tweet Definition of morbilli Like Definition of morbilli on Facebook
    noun (plural)
    1. measles, rubeola
    mortification Tweet Definition of mortification Like Definition of mortification on Facebook
    1. The act of mortify, mortifying.
    2. A sensation of extreme shame or embarrassment.
    3. (medicine) The death of part of the body.
    mortify Tweet Definition of mortify Like Definition of mortify on Facebook
    verb (mortif, i, ed)
    1. (italbrac, usually used passively) to embarrass
    I was so mortified I could have died right there, instead I fainted, but I swore I'd never let that happen to me again.
    1. to discipline oneself by suppressing desires
    Some people seek sainthood by mortifying the body. I wonder if such ascetics are masochists?
    1. (context, medicine) (of part of the body) to die
    The loss of blood flow caused the toe to and they had to amputate the foot to save the life.
    MS Tweet Definition of MS Like Definition of MS on Facebook
    1. Mississippi, a state of the United States of America.
    2. manuscript, Manuscript.
    3. Master of Science.
    4. middle school, Middle School.
    5. Morphine. (Morphine Sulfate)
    6. multiple sclerosis, Multiple sclerosis, a chronic, inflammatory, demyelinating disease
    1. Microsoft
    myalgia Tweet Definition of myalgia Like Definition of myalgia on Facebook
    1. (pathology) Muscular pain or tenderness.
    myelitis Tweet Definition of myelitis Like Definition of myelitis on Facebook
    1. inflammation of the spinal cord or of bone marrow
    myeloma Tweet Definition of myeloma Like Definition of myeloma on Facebook
    noun (plural: myelomas or myelomata)
    1. (pathology) A malignant tumour arising from cells of the bone marrow.
    myelopathy Tweet Definition of myelopathy Like Definition of myelopathy on Facebook
    1. A disorder in which the tissue of the spinal cord is diseased or damaged
    2. A disturbance or disease of the spinal cord.
    myocarditis Tweet Definition of myocarditis Like Definition of myocarditis on Facebook
    1. (context, pathology, cardiology) inflammation, Inflamation of the myocardium.
    myoma Tweet Definition of myoma Like Definition of myoma on Facebook
    noun (plural: myomas or myomata)
    1. (pathology) A tumour comprised of muscle tissue, usually benign and commonly occuring in the uterus and the esophagus.

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