Ectopia
Encyclopedia
In medicine, an ectopia is a displacement or malposition of an organ or other body part. Most ectopias are congenital, but some may happen later in life. Ectopia may also refer to:

Medicine
  • Ectopia lentis
    Ectopia lentis
    Ectopia lentis is a displacement or malposition of the eye's crystalline lens from its normal location. A partial dislocation of a lens is termed lens subluxation or subluxated lens; a complete dislocation of a lens is termed lens luxation or luxated lens.-Ectopia lentis in dogs and cats:Although...

    , the displacement of the crystalline lens of the eye
  • Ectopia cordis
    Ectopia cordis
    Ectopia cordis is a birth defect in which the heart is abnormally located. In the most common form, the heart protrudes outside the chest through a split sternum...

    , the displacement of the heart outside the body during fetal development
  • Renal ectopia
    Renal ectopia
    Renal ectopia or ectopic kidney describes a kidney that is not located in its usual position. It results from the kidney failing to ascend from its origin in the true pelvis or from a superiorly ascended kidney located in the thorax....

     occurs when both kidneys are on the same side of the body
  • Ectopic pregnancy
    Ectopic pregnancy
    An ectopic pregnancy, or eccysis , is a complication of pregnancy in which the embryo implants outside the uterine cavity. With rare exceptions, ectopic pregnancies are not viable. Furthermore, they are dangerous for the parent, since internal haemorrhage is a life threatening complication...

     occurs when the fertilized egg implants anywhere other than the uterine wall
  • Ectopic beat occurs when electrical signals for a heartbeat originate in the wrong part of the myocardium
  • Ectopic pacemaker
    Ectopic pacemaker
    An ectopic pacemaker or ectopic focus is an excitable group of cells that causes a premature heart beat outside the normally functioning SA node of the human heart. Acute occurrence is usually non-life threatening, but chronic occurrence can progress into tachycardia, bradycardia or ventricular...

    , or ectopic focus, an excitable group of cells that causes a premature heart beat
  • Ectopic hormone, a hormone produced by a benign or malignant tumor, can cause Cushing's syndrome by secreting corticotropin


Molecular biology
  • Genetic recombination
    Genetic recombination
    Genetic recombination is a process by which a molecule of nucleic acid is broken and then joined to a different one. Recombination can occur between similar molecules of DNA, as in homologous recombination, or dissimilar molecules, as in non-homologous end joining. Recombination is a common method...

    , also called ectopic recombination, refers to recombination between sites, usually containing identical or similar sequences, at different locations in the genome, leading to deletions, insertions, or chromosomal crossovers
  • Ectopic expression
    Ectopic expression
    Ectopic expression is the expression of a gene in an abnormal place in an organism. This can be caused by a disease, or it can be artificially produced as a way to help determine what the function of that gene is....

    , the expression of a gene in an abnormal place in an organism
  • Ectopic integration, in transgenesis, is the insertion of the transgene at a site other than its natural chromosomal locus


Other
  • Ectopia (album), an electronica album by Steroid Maximus released in 2002, recorded at Self Immolation Studios
  • Self Immolation
    Self Immolation
    Self Immolation is a record label and publishing company run by J. G. Thirlwell. Originally an actual label for Thirlwell's self-released early Foetus EPs and albums, Self Immolation became more akin to a vanity label for Thirlwell's releases on Some Bizzare Records and Wax Trax! Records...

    , a record label and publishing company run by James George Thirlwell (J. G. Thirlwell) that later became Ectopic Entertainment
  • Distichia
    Distichia
    A distichia is an eyelash that arises from an abnormal spot on the eyelid. The mutation affects dogs and humans. Distichiae usually exit from the duct of the meibomian gland at the eyelid margin. They are usually multiple and sometimes more than one arises from a duct. They can affect either the...

    , an eyelash that arises from an abnormal spot on the eyelid of a dog, ectopic cilia is a severe form of distichia
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK