Ectopia

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, the displacement of the crystalline lens of the eye
• Ectopia cordis, the displacement of the heart outside the body during fetal development
• Renal ectopia occurs when both kidneys are on the same side of the body
• Ectopic pregnancy 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, or ectopic focus, an excitable group of cells that causes a premature heart beat
• Ectopic testis, a testis that has moved to an unusual location
• Ectopic hormone, a hormone produced by a benign or malignant tumor, can cause Cushing's syndrome by secreting corticotropin

Molecular biology

• Genetic recombination, 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, 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, a record label and publishing company run by James George Thirlwell (J. G. Thirlwell) that later became Ectopic Entertainment
• Distichia, an eyelash that arises from an abnormal spot on the eyelid of a dog, ectopic cilia is a severe form of distichia