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Drugs and diseases reference index

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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «E»:

  1. Epidermolysis bullosa acquisita Epidermolysis bullosa acquisita
    Epidermolysis bullosa acquisita: A rare autoimmune skin disease with blisters. In epidermolysis bullosa acquisita (EBA) the body attacks its own anchoring fibrils with antibodies. The anchoring filaments (thread-like fibers) are structures that anchor the epidermis to the underlying basement membran...
  2. Epidermolysis bullosa simplex Epidermolysis bullosa simplex
    Epidermolysis bullosa simplex: A blistering skin condition usually inherited as an autosomal dominant disease. The faulty genes are those that provide instructions for producing keratin, a fibrous protein in the top layer of skin. As a result, the skin splits in the epidermis, producing a blister. E...
  3. Epididymis Epididymis
    Epididymis: A structure within the scrotum attached to the backside of the testis. The epididymis is a coiled segment of the spermatic ducts that serves to store, mature and transport spermatozoa between the testis and the vas (the vas deferens)....
  4. Epididymitis Epididymitis
    Epididymitis: Inflammation of the epididymis, a structure within the scrotum attached to the backside of the testis. The epididymis is a coiled segment of the spermatic ducts that serves to store, mature and transport spermatozoa between the testis and the vas (the vas deferens). Epididymitis i...
  5. Epidural Epidural
    Epidural: Outside the dura, the outermost, toughest, and most fibrous of the three membranes (meninges) covering the brain and the spinal cord. An epidural hematoma is a collection of blood beneath the skull but outside the dura....
  6. Epidural anesthetic Epidural anesthetic
    Epidural anesthetic: An anesthetic agent injected into the epidural space, the space outside the dura -- the outermost, toughest, and most fibrous of the three membranes (meninges) covering the spinal cord -- in order to bath the spinal nerve roots in the anesthetic agent and numb the lower abdomen...
  7. Epidural hematoma Epidural hematoma
    Epidural hematoma: A hematoma between the cranium (skull) and the brain's tissue-like covering, which is known as the dura. Epidural hematoma is usually caused by a full-on blow to the head, and is often associated with a skull fracture. Diagnosis is usually by CAT scan. Treatment is by trepana...
  8. Epigastrium Epigastrium
    Epigastrium: The part of the abdominal wall above the umbilicus (belly button). The hypogastrium is the part of the abdominal wall below the umbilicus. The abdominal wall can thus be divided into upper and lower halves. Or it can be further divided into quadrants by also drawing a vertical line thro...
  9. Epigenetic Epigenetic
    Take the Quiz: Chronic Fatigue Syndrome Understand the Causes of Fatigue Slideshow Good, Bad Exercises for Low Back Pain Slideshow ...
  10. Epigenetics Epigenetics
    Epigenetics: 1. The study of heritable changes in gene function that occur without a change in the sequence of the DNA. For example: The process of DNA methylation; and The process of chromatin remodeling. 2. The study of certain processes that occur in embryonic development. For example: X i...
  11. Epiglottis Epiglottis
    Epiglottis: The flap that covers the trachea during swallowing so that food does not enter the lungs. Not everything in medicine is perfectly logical. The name epiglottis was compounded from "epi-" and "- glottis" from the Greek "glotta" meaning "tongue" s...
  12. Epiglottitis, acute Epiglottitis, acute
    Epiglottitis, acute: A very rapidly progressive infection causing inflammation of the epiglottis (the flap that covers the trachea) and tissues around the epiglottis that may lead to abrupt blockage of the upper airway and death. The infection is usually caused by bacteria (such as Hemophilus influ...
  13. Epilation Epilation
    Epilation: Removal of body hair, including the hair root, by means of electrical device, tweezer, or wax. Epilation may be performed by a dermatologist, but is more commonly done for cosmetic purposes by a facial technologist or esthetician. After epilation the skin may be particularly sensitiv...
  14. Epilepsy Epilepsy
    Epilepsy (seizure disorder): When nerve cells in the brain fire electrical impulses at a rate of up to four times higher than normal, this causes a sort of electrical storm in the brain, known as a seizure. A pattern of repeated seizures is referred to as epilepsy. Known causes include head injuries...
  15. Epilepsy, grand mal Epilepsy, grand mal
    Epilepsy, grand mal: See: Grand mal....