Abnormality refers to any deviation from the normal, the noun form of the adjective ''abnormal''. Abnormality may refer to: __NOTOC__

Medicine and physiology

Chromosome abnormality A chromosomal abnormality, chromosomal anomaly, chromosomal aberration, chromosomal mutation, or chromosomal disorder, is a missing, extra, or irregular portion of chromosomal DNA. These can occur in the form of numerical abnormalities, where the ...

, atypical number of chromosomes or a structural abnormality in one or more chromosomes *

Congenital abnormality A birth defect, also known as a congenital disorder, is an abnormal condition that is present at birth regardless of its cause. Birth defects may result in disabilities that may be physical, intellectual, or developmental. The disabilities can r ...

, condition which is present at the time of birth which varies from the standard presentation *

Craniofacial abnormality Craniofacial abnormalities are congenital musculoskeletal disorders which primarily affect the cranium and facial bones. They are associated with the development of the pharyngeal arches. Approximately, 5% of the UK or USA population present wit ...

, congenital musculoskeletal disorders which primarily affect the cranium and facial bones *

Tooth abnormality Tooth pathology is any condition of the teeth that can be congenital or acquired. Sometimes a congenital tooth diseases are called ''tooth abnormalities''. These are among the most common diseases in humans The prevention, diagnosis, treatment and ...

, congenital tooth disease *

Jaw abnormality A jaw abnormality is a disorder in the formation, shape and/or size of the jaw. In general abnormalities arise within the jaw when there is a disturbance or fault in the fusion of the mandibular processes. The mandible in particular has the most d ...

, disorder in the formation or shape of the jaw *

Musculoskeletal abnormality A musculoskeletal abnormality is a disorder of the musculoskeletal system present at birth. They can be due to deformity or malformation. An example is Klippel–Feil syndrome Klippel–Feil syndrome (KFS), also known as cervical vertebral fus ...

, disorder of the musculoskeletal system present at birth *

Intraretinal microvascular abnormalities Intraretinal microvascular abnormalities (IRMA) are abnormalities of the blood vessels that supply the retina of the eye, a sign of diabetic retinopathy. IRMA can be difficult to distinguish from and is likely a precursor to retinal neovasculariza ...

Gait abnormality Gait abnormality is a deviation from normal walking (gait). Watching a patient walk is the most important part of the neurological examination. Normal gait requires that many systems, including strength, sensation and coordination, function in an ...

, deviation from normal walking (gait) *

Multiple abnormalities When a patient has multiple abnormalities (multiple anomaly, multiple deformity), they have a congenital abnormality that can not be primarily identified with a single system of the body or single disease process. Most medical conditions can hav ...

, used to describe congenital abnormality that can not be primarily identified with a single system of the body or single disease process

Psychology

Abnormality (behavior) Abnormality (or dysfunctional behavior) is a behavioral characteristic assigned to those with conditions that are regarded as rare or dysfunctional. Behavior is considered to be abnormal when it is atypical or out of the ordinary, consists of un ...

, behavior deviating from the normal or typical *

Models of abnormality Models of abnormality are general hypotheses as to the nature of psychological abnormalities. The four main models to explain psychological abnormality are the biological, behavioural, cognitive, and psychodynamic models. They all attempt to ex ...

, general hypotheses as to the nature of psychological abnormalities

Medicine and physiology

Psychology

See also