Category: M

  • Maser

    Acronym for microwave amplification by stimulation emission of radiation. It is a device that produces a small, non-diverging radiation beam.  

  • Masculation

    Development of male secondary sexual characteristics.  

  • Martin’s bandage

    A roller bandage of rubber used for exerting pressure on an extremity, as for varicose veins and for exsanguination, as with an Esmarch bandage.  

  • Martha mitchell effect

    The mistaken diagnosis by a medical professional that a patient has a delusional disorder.  

  • Marshall-marchetti-krantz procedure

    A surgical procedure used to treat urinary stress incontinence in women. The incontinence is caused by a weakness in the support of the bladder neck and proximal urethra. Sutures are placed periurethrally in the vaginal wall and anchored to the perichondrium of the pubic symphysis, offering a better cystourethral angle and firm support.  

  • Marrara syndrome

    An allergic cause of nasopharyngitis, occurring in those who have eaten incompletely cooked animal organs, e.g., goat lung or liver, infested with nymphs of the parasite Linguatula serrata.  

  • Marlex mesh

    A monofilament, biologically inert mesh used in surgical procedures to help cover or strengthen areas, as in hernia repair.  

  • Marker only relapse

    An asymptomatic relapse of an illness, that is, one that is only evident on laboratory testing.  

  • Marjolin ulcer

    A carcinoma that grows at the site of a chronic wound (e.g., a nonhealing scar or burn). The tumor is most often a squamous cell carcinoma and often metastasizes. An ulcer that arises from the cancerous transformation of a persistent or dormant ulcer or scar, particularly one that originated from an old burn or radiation…

  • Marginoplasty

    Plastic surgery of a border, as of an eyelid.