Category: M

  • Morphea

    A form of scleroderma, a disease where the skin is replaced by thick connective tissue. Localized form of scleroderma, consisting of patches of rigid, dry, smooth skin. A condition in which hard, oval, or irregularly shaped plaques (patches of thick raised skin) form in the skin; also known as localized scleroderma. The plaques are usually…

  • Moro reflex

    A reflex of a newborn baby when it hears a loud noise. The automatic response of a baby—on hearing a loud noise or when the head is left momentarily unsupported—to swing arms outward and then together, as if embracing something, to flex the legs, and often to cry. A type of primitive reflex found only…

  • Morning-after pill

    A contraceptive pill taken after intercourse. A series of hormonal pills that a woman can take to prevent pregnancy for up to 72 hours after having had unprotected sex or having been the victim of sexual assault. Hormones in the pills inhibit the development of a fertilized egg in the uterus. Taking a morning-after pill…

  • Morning

    The first part of the day before 12 o’clock noon.  

  • Moribund

    A dying person.  

  • Morbilliform

    Referring to a rash which is similar to measles. Describing a rash that resembles that of measles. Having a likeness to measles, typically describing a rash that looks similar to that of measles.  

  • Morbidity rate

    The number of cases of a disease per hundred thousand of population. The number of cases per year of certain diseases in relation to the population in which they occur.  

  • Morbid

    Showing symptoms of being diseased. Referring to disease. Referring to an unhealthy mental faculty. Relating to illness or affected bodily regions.  

  • Mooren’s ulcer

    A persistent ulcer of the cornea, found in elderly people [After Albert Mooren (1828-99), ophthalmologist in Dusseldorf, Germany]. A rare, inflammatory lesion of the peripheral cornea that causes significant eye pain and blindness if untreated. This condition is found in some patients with hepatitis C, other infectious diseases, or prior eye trauma or eye surgery.…

  • Moon face

    A condition in which someone has a round red face, occurring in Cushing’s syndrome and when there are too many steroid hormones in the body. Rounded, puffy face occurring in people treated with large doses of corticosteroids. A full, round face seen in Cushing’s syndrome or more often as a side effect of corticosteroid therapy.…