Ectopia (medicine)
An ectopia (/ɛkˈtoʊpiə/) is a displacement or malposition of an organ or other body part, which is then referred to as ectopic (/ɛkˈtɒpɪk/).[1]
Examples
[edit]- Ectopic ACTH syndrome, also known as small-cell carcinoma.
- Ectopic calcification, a pathologic deposition of calcium salts in tissues or bone growth in soft tissues
- Cerebellar tonsillar ectopia, aka Chiari malformation, a herniation of the brain through the foramen magnum, which may be congenital or caused by trauma.
- Ectopic cilia, a hair growing where it isn't supposed to be, commonly an eyelash on an abnormal spot on the eyelid, distichia
- Ectopia cordis, the displacement of the heart outside the body during fetal development
- Ectopic enamel, a tooth abnormality, where enamel is found in an unusual location, such as at the root of a tooth
- Ectopic expression, the expression of a gene in an abnormal place in an organism
- Ectopic hormone, a hormone produced by a tumor, such as small-cell carcinoma, can cause Cushing's syndrome
- Ectopia lentis, the displacement of the crystalline lens of the eye
- Neuronal ectopia
- Ectopic pancreas, displacement of pancreatic tissue in the body with no connection, anatomical or vascular, to the pancreas
- Ectopic recombination, the recombination between sequences (like leu2 sequences) present at different genomic locations
- Renal ectopia occurs when both kidneys are on the same side of the body
- Ectopic testis, a testis that has moved to an unusual location
- Ectopic thymus, where thymus tissue is found in an abnormal location
- Ectopic thyroid, where an entire or parts of the thyroid are located elsewhere in the body
- Ectopic tooth, a tooth that erupted outside the dental arch
- Ectopic ureter, where the ureter terminates somewhere other than the urinary bladder
- Ectopia vesicae, a congenital anomaly in which part of the urinary bladder is present outside the body
See also
[edit]- Ectopic beat of the heart
- Cervical ectropion
- Ectopic pregnancy, where the fertilized egg implants anywhere other than the uterine wall
- Heterotopia (medicine)
References
[edit]- ^ Wilmott, Robert William; Deterding, Robin; Li, Albert; Ratjen, Felix; Sly, Peter; Zar, Heather J; Bush, Andrew, eds. (2019). "Ectopia". Kendig's Disorders of the Respiratory Tract in Children (9 ed.). Philadelphia, Pennsylvania: Elsiver. pp. 1176–1177. ISBN 978-0-323-44887-1.
This set index article includes a list of related items that share the same name (or similar names).
If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.
If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.