abnormality

DEFINITIONS OF: abnormality

1

n an abnormal physical condition resulting from defective genes or developmental deficiencies

Synonyms:
abnormalcy
Antonyms:
normalcy, normality
being within certain limits that define the range of normal functioning
Types:
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acardia
congenital absence of the heart (as in the development of some monsters)
acephalia, acephalism, acephaly
absence of the head (as in the development of some monsters)
acorea
absence of the pupil in an eye
acromicria, acromikria
abnormally small extremities (underdeveloped fingers and toes)
acromphalus
abnormal protrusion of the navel; sometimes the start of umbilical hernia
amastia
absence of the mammary glands (either through surgery or developmental defect)
aneuploidy
an abnormality involving a chromosome number that is not an exact multiple of the haploid number (one chromosome set is incomplete)
anorchia, anorchidism, anorchism
absence of one of both testes
asynclitism, obliquity
the presentation during labor of the head of the fetus at an abnormal angle
atresia
an abnormal condition in which a normal opening or tube in the body (as the urethra) is closed or absent
brachydactylia, brachydactyly
abnormal shortness of fingers and toes
cryptorchidism, cryptorchidy, cryptorchism
failure of one or both testes to move into the scrotum as the male fetus develops
deviated septum
abnormal displacement of any wall that separates two chambers (usually in the nasal cavity)
dextrocardia
abnormal condition where the heart is located toward the right side of the chest
ectrodactyly
congenital abnormality involving the absence of some fingers or toes
erethism
an abnormally high degree of irritability or sensitivity to stimulation of an organ or body part
fetal distress, foetal distress
an abnormal condition of a fetus; usually discovered during pregnancy and characterized by an abnormal heart rhythm
hepatomegaly, megalohepatia
abnormal enlargement of the liver
inversion
abnormal condition in which an organ is turned inward or inside out (as when the upper part of the uterus is pulled into the cervical canal after childbirth)
heterotaxy, transposition
any abnormal position of the organs of the body
pneumothorax
abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis)
macrencephaly
an abnormally large braincase
hydatid mole, hydatidiform mole, molar pregnancy
an abnormality during pregnancy; chorionic villi around the fetus degenerate and form clusters of fluid-filled sacs; usually associated with the death of the fetus
hydramnios
an abnormality of pregnancy; accumulation of excess amniotic fluid
hypervitaminosis
an abnormal condition resulting from taking vitamins excessively; can be serious for vitamins A or D or K
hypospadias
an abnormal condition in males in which the urethra opens on the under surface of the penis
lagophthalmos
abnormal condition in which an eye cannot close completely
mental abnormality
any abnormality of mental function
nanophthalmos
condition in which both eyes are abnormally small but otherwise normal
palmature
an abnormality in which the fingers are webbed
dysplasia
abnormal development (of organs or cells) or an abnormal structure resulting from such growth
hydrocephalus, hydrocephaly
an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological
abrachia
the condition of having no arms
progeria
a rare abnormality marked by premature aging (grey hair and wrinkled skin and stooped posture) in a child
atypicality, untypicality
any state that is not typical
arrested development, fixation, infantile fixation, regression
an abnormal state in which development has stopped prematurely
aberrance, aberrancy, aberration, deviance
a state or condition markedly different from the norm
cyclopia
a developmental abnormality in which there is only one eye
spinal curvature
an abnormal curvature of the vertebral column
subnormality
the state of being less than normal (especially with respect to intelligence)
anomalousness, anomaly
deviation from the normal or common order or form or rule
gynecomastia
excessive development of the breasts in males; usually the result of hormonal imbalance or treatment with certain drugs (including some antihypertensives)
infantilism
an abnormal condition in which an older child or adult retains infantile characteristics
macrocephaly, megacephaly, megalocephaly
an abnormally large head; differs from hydrocephalus because there is no increased intracranial pressure and the overgrowth is symmetrical
microbrachia
abnormally small arms
microcephalus, microcephaly, nanocephaly
an abnormally small head and underdeveloped brain
pachycheilia
an abnormal thickness of the lips
phimosis
an abnormal tightness of the foreskin preventing retraction over the glans
irritation
(pathology) abnormal sensitivity to stimulation
retroflection, retroflexion, retroversion
a turning or tilting backward of an organ or body part
sequela
any abnormality following or resulting from a disease or injury or treatment
squint, strabismus
abnormal alignment of one or both eyes
torticollis, wryneck
an unnatural condition in which the head leans to one side because the neck muscles on that side are contracted
varix
abnormally enlarged or twisted blood vessel or lymphatic vessel
aplasia
failure of some tissue or organ to develop
monorchidism, monorchism
failure of one testes to descend into the scrotum
deviated nasal septum
abnormal shift in location of the nasal septum; a common condition causing obstruction of the nasal passages and difficulty in breathing and recurrent nosebleeds
organic brain syndrome
mental abnormality resulting from disturbance of the structure or function of the brain
fibrous dysplasia of bone
a disturbance in which bone that is undergoing lysis is replaced by an abnormal proliferation of fibrous tissue resulting in bone lesions or skin lesions
hypertrophy
abnormal enlargement of a body part or organ
hyperplasia
abnormal increase in number of cells
hypoplasia
underdevelopment of an organ because of a decrease in the number of cells
anaplasia
loss of structural differentiation within a cell or group of cells often with increased capacity for multiplication, as in a malignant tumor
birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder
a defect that is present at birth
chromosomal aberration, chromosomal anomaly, chromosonal disorder, chrosomal abnormality
any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities
deflection, warp
a twist or aberration; especially a perverse or abnormal way of judging or acting
humpback, hunchback, kyphosis
an abnormal backward curve to the vertebral column
hollow-back, lordosis
an abnormal inward (forward) curvature of the vertebral column
scoliosis
an abnormal lateral curve to the vertebral column
dowager's hump
abnormal spinal curvature that results when osteoporosis causes the spine to collapse; seen most often in elderly women
convergent strabismus, cross-eye, crossed eye, esotropia
strabismus in which one or both eyes turn inward toward the nose
ateleiosis, ateliosis
a form of infantilism characterized by physical underdevelopment but normal intelligence
divergent strabismus, exotropia, walleye
strabismus in which one or both eyes are directed outward
varicosity
varix or varicose condition in which a vein is swollen and tortuous
Type of:
physical condition, physiological condition, physiological state
the condition or state of the body or bodily functions

n retardation sufficient to fall outside the normal range of intelligence

Synonyms:
mental defectiveness
Types:
feeblemindedness
severe mental deficiency
Type of:
backwardness, mental retardation, retardation, slowness, subnormality
lack of normal development of intellectual capacities

n marked strangeness as a consequence of being abnormal

Synonyms:
freakishness
Type of:
strangeness, unfamiliarity
unusualness as a consequence of not being well known

n behavior that breaches the rule or etiquette or custom or morality

Synonyms:
irregularity
Types:
deviance, deviation
deviate behavior
Type of:
misbehavior, misbehaviour, misdeed
improper or wicked or immoral behavior
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