noun
definition
The state or quality of being abnormal; variation; irregularity.
definition
Something abnormal; an aberration; an abnormal occurrence or feature.
Examples of abnormality in a Sentence
The x-ray shows a slight abnormality in your spine, which explains the pain you've been experiencing.
Rachel adopted a puppy with an abnormality in his hind legs making it difficult for him to walk, but he's still very cute.
Learning disablities are often a symptom of an abnormality in the brain.
There may be an abnormality in brain biochemistry involving a chemical messenger called serotonin.
This particular physical abnormality is easily reversible with a minor surgery.
If an abnormality is detected on physical examination, or symptoms suggestive of cancer are noted, diagnostic tests will be performed.
Lastly, about 5 percent of febrile seizures are diagnosed as symptomatic, in cases in which the child has a history or evidence of neurological abnormality.
A skin biopsy may be performed to demonstrate an abnormality in either component.
Pectus carinatum-An abnormality of the chest in which the sternum (breastbone) is pushed outward.
Pectus excavatum-An abnormality of the chest in which the sternum (breastbone) sinks inward; sometimes called "funnel chest."
Mental retardation may be caused by an inherited abnormality of the genes, such as fragile X syndrome.
Down syndrome is caused by an abnormality in the development of chromosome 21.
Turner syndrome-A chromosome abnormality characterized by short stature and ovarian failure caused by an absent X chromosome.
If the abnormality is discovered before the birth, the obstetrician can help the parents decide what steps should be taken, and parents can begin to plan to meet the special needs their child will have.
Any abnormality in chromosomes or sex hormones, or in the unborn baby's response to the hormones, can lead to an intersex state in a newborn.
Chiari II anomaly-A structural abnormality of the lower portion of the brain (cerebellum and brainstem) associated with spina bifida.
People who have idiopathic type 1 diabetes also experience beta cell destruction, but it is due to a chromosomal abnormality or an unknown cause rather than any autoimmune process.
Turner syndrome is a chromosomal abnormality occurring only in females in whom one of the X chromosomes is missing or defective.
Very little is known about the cause or origin of specific language impairment, although evidence is growing that the underlying condition may be a form of brain abnormality.
However, any such brain abnormality is not readily apparent with existing diagnostic technologies.
An abnormality in structure or wiring is sometimes hereditary but is most often due to chance or some unknown cause.
The possible role genetics plays in a particular brain abnormality depends to some degree on the type of anomaly and the form of CP it causes.
Spina bifida is a birth abnormality in which the spine is malformed and lacks its usual protective skeletal and soft tissue coverings.
Spina bifida is usually readily apparent at birth because of the malformation of the back and paralysis below the level of the abnormality.
A related term, spina bifida occulta, indicates that one or more of the bony bodies in the spine are incompletely hardened, but that there is no abnormality of the spinal cord itself.
Spina bifida may occur as an isolated abnormality or in the company of other malformations.
Hirschsprung's disease, also known as congenital megacolon or aganglionic megacolon, is an abnormality in which certain nerve fibers are absent in segments of the bowel, resulting in severe bowel obstruction.
Research is ongoing in a hope that there will one day be a blood test that will be able to identify fetal cells to determine the presence of genetic abnormality without the need for an invasive procedure that carries undesirable risk.
As a rule, whenever we find the parts of one whorl superposed on those of another we may suspect some abnormality.
The symmetry in the flower is evidently dimerous, and the abnormality in the androecium, where the four long stamens are opposite the posterior sepals, takes place by a splitting, at a very early stage of development, of a single outgrowth into two.
An MRI scan can detect an abnormality in 80 per cent of people with epilepsy undergoing the test.
Life has been smart to focus on the issue of abortion for fetal abnormality.
Testing for fetal abnormality is now routine during pregnancy.
Her metabolic abnormality was purely incidental, detected on " blind routine biochemistry " .
Appropriate drug choices need to be made based upon the particular lipid abnormality to be treated.
Those who oppose abortion for fetal abnormality have been allowed to assume the moral high ground in the discussion.
Common features include dystonia (an abnormality in muscle tone ), muscular rigidity, and sudden involuntary muscle spasms (spasticity ).
The idea that abortion for abnormality represents discrimination against the disabled also elides the difference between fetal life, and our respect for persons.
In men, smoking levels affect spermatogenesis (sperm development ), sperm morphology (abnormality) and sperm mobility.
Just as Nitzsch had laboured under the disadvantage of never having any example of the abnormal Passeres of the New World to dissect, and, therefore, was wholly ignorant of their abnormality, so Muller never succeeded in getting hold of an example of the genus Pitta for the same purpose, and yet, acting on the clue furnished by Keyserling and Blasius, he did not hesitate to predict that it would be found to fill one of the gaps he had to leave, and this to some extent it has been since proved to do.
Congenital scoliosis is a result of a bone abnormality present at birth.
In relation to selective termination for fetal abnormality this point is especially important.
I'm afraid that no one will ever date me, because of this terrible skin abnormality that makes me so red.
Another probable cause of SIDS is a brain stem abnormality.
A 2006 research study discovered that many babies who have died of SIDS have this abnormality.
More research is needed, but scientists think that the abnormality affects the brain's ability to properly use serotonin.
Your vet may want to run further tests to see if the problem is caused by some abnormality or a tumor of some sort.
Your vet will check her breasts for any signs of an abnormality, and decide if any treatment is necessary.
Another potential cause is an abnormality in the structure of certain portions of the brain.
In these children, the only abnormality is an enlarged head.