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The nasal bridge is the upper, bony part of the
Genetic Hearing Loss
from UTMB, Dept. of Otolaryngology. DATE: March 17, 2004. RESIDENT PHYSICIAN: Jing Shen. FACULTY PHYSICIAN: Ronald W. Deskin, MD. SERIES EDITORS: Francis B. Quinn, Jr., MD and Matthew W. Ryan, MD. Dystopia canthorum is associated with Waardenburg syndrome.
The nasal bridge is the upper, bony part of the human nose
The human nose is the most protruding part of the face. It bears the nostrils and is the first organ of the respiratory system. It is also the principal organ in the olfactory system. The shape of the nose is determined by the nasal bone ...
, which overlies the nasal bone
The nasal bones are two small oblong bones, varying in size and form in different individuals; they are placed side by side at the middle and upper part of the face and by their junction, form the bridge of the upper one third of the nose.
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Association with epicanthic folds
Low-rooted nasal bridges are closely associated with epicanthic folds. A lower nasal bridge is more likely to cause an epicanthic fold, and vice versa.Dysmorphology
A lower or higher than average nasal bridge can be a sign of variousgenetic disorder
A genetic disorder is a health problem caused by one or more abnormalities in the genome. It can be caused by a mutation in a single gene (monogenic) or multiple genes (polygenic) or by a chromosomal abnormality. Although polygenic disorders ...
s, such as fetal alcohol syndrome. A flat nasal bridge can be a sign of Down syndrome
Down syndrome or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. It is usually associated with physical growth delays, mild to moderate intellectual d ...
(Trisomy 21), Fragile X syndrome
Fragile X syndrome (FXS) is a genetic disorder characterized by mild-to-moderate intellectual disability. The average IQ in males with FXS is under 55, while about two thirds of affected females are intellectually disabled. Physical features ma ...
, 48,XXXY variant Klinefelter syndrome
Klinefelter syndrome (KS), also known as 47,XXY, is an aneuploid genetic condition where a male has an additional copy of the X chromosome. The primary features are infertility and small, poorly functioning testicles. Usually, symptoms are sub ...
, or Bartarlla-Scott syndrome.
An appearance of a widened nasal bridge can be seen with dystopia canthorum, which is a lateral displacement of the inner canthi of the eyes.from UTMB, Dept. of Otolaryngology. DATE: March 17, 2004. RESIDENT PHYSICIAN: Jing Shen. FACULTY PHYSICIAN: Ronald W. Deskin, MD. SERIES EDITORS: Francis B. Quinn, Jr., MD and Matthew W. Ryan, MD. Dystopia canthorum is associated with Waardenburg syndrome.
See also
*Aquiline nose
An aquiline nose (also called a Roman nose) is a human nose with a prominent bridge, giving it the appearance of being curved or slightly bent. The word ''aquiline'' comes from the Latin word ''aquilinus'' ("eagle-like"), an allusion to the curve ...
* Bridge piercing
A bridge piercing is a facial piercing through the skin on the bridge of the nose, usually directly between the eyes of the wearer. A variation on this piercing, the vertical bridge piercing is a surface piercing, with all of the risks or potentia ...
References
Nose {{musculoskeletal-stub