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Choanal stenosis
Choanal stenosis Abnormal narrowing of the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. There are two choanae. The choanae must be open to permit breathing through the nose. Choanal stenosis can occur as an isolated birth defect in an otherwise normal baby or it may be part of a syndrome. Surgery is needed to repair choanal stenosis.
RELATED TERMS--------------------------------------
Abnormal
Not normal. Deviating from the usual structure, position, condition, or behavior. In referring to a growth, abnormal may mean that it is cancerous or premalignant (likely to become cancer).
Choana
The passageway from the back of one side of the nose to the throat. There are two choanae, one on either side of the nose. The choanae must be open to permit breathing through the nose. The noun choana is less used than the adjective choanal, as in choanal atresia (blockage of the choanal passage) and choanal stenosis (narrowing of the choanal passage).
Choanae
The plural of choana.
Breathing
The process of respiration, during which air is inhaled into the lungs through the mouth or nose due to muscle contraction, and then exhaled due to muscle relaxation.
Choanal
Pertaining to the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. The choanae must be open to permit breathing through the nose. Choanal atresia is blockage of the choanal passageway while choanal stenosis is narrowing of that passageway. The word choanal is pronounced co-anal but it has nothing to do with the anus.
Stenosis
The narrowing or constriction of a blood vessel or valve in the heart.
Syndrome
A grouping of signs and symptoms, based on their frequent co-occurrence, that may suggest a common underlying pathogenesis, course, familial pattern, or treatment selection.
Surgery
Treating diseases or other medical conditions by operating on a patient to remove or repair parts of the body.
SIMILAR TERMS--------------------------------------
Choa Chu Kang Polyclinic
The Choa Chu Kang Polyclinic is a hospital in Singapore.
Choana
The passageway from the back of one side of the nose to the throat. There are two choanae, one on either side of the nose. The choanae must be open to permit breathing through the nose. The noun choana is less used than the adjective choanal, as in choanal atresia (blockage of the choanal passage) and choanal stenosis (narrowing of the choanal passage).
Choanae
The plural of choana.
Choanal
Pertaining to the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. The choanae must be open to permit breathing through the nose. Choanal atresia is blockage of the choanal passageway while choanal stenosis is narrowing of that passageway. The word choanal is pronounced co-anal but it has nothing to do with the anus.
Choanal atresia
Blockage of the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. There are two choanae. The choanae must be open to permit breathing through the nose. Choanal atresia can occur as an isolated birth defect in an otherwise normal baby or it may be part of a syndrome such as the CHARGE association. Surgery is needed to repair choanal atresia.
PREVIOUS AND NEXT TERMS--------------------------------------
Chlortetracycline
The first drug of the tetracycline family.
Choana
The passageway from the back of one side of the nose to the throat. There are two choanae, one on either side of the nose. The choanae must be open to permit breathing through the nose. The noun choana is less used than the adjective choanal, as in choanal atresia (blockage of the choanal passage) and choanal stenosis (narrowing of the choanal passage).
Choanae
The plural of choana.
Choanal
Pertaining to the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. The choanae must be open to permit breathing through the nose. Choanal atresia is blockage of the choanal passageway while choanal stenosis is narrowing of that passageway. The word choanal is pronounced co-anal but it has nothing to do with the anus.
Choanal atresia
Blockage of the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. There are two choanae. The choanae must be open to permit breathing through the nose. Choanal atresia can occur as an isolated birth defect in an otherwise normal baby or it may be part of a syndrome such as the CHARGE association. Surgery is needed to repair choanal atresia.
Choanal stenosis
Chocolate
A food or flavoring made from the seeds of the cacao or chocolate tree. Chocolate is rich in flavinoids, compounds that act as antioxidants. Flavinoids may also lower blood pressure and improve blood flow, by regulating the synthesis of nitric oxide, which dilates blood vessels. Flavinoids, like aspirin, help keep platelets from aggregating on vessel walls. Thus, chocolate may have health benefits, provided it is consumed in moderation.
Cholangiogram
A radiologic procedure used to look at the gallbladder and bile ducts.
Cholangiography, percutaneous transhepatic
Radiographic examination of the liver and bile ducts done by inserting a thin needle through the skin into the liver and injecting contrast medium in order to visualize blockage of the liver and bile ducts.
Cholecalciferol
Vitamin D3.
Cholecyst
The gallbladder. The word cholecyst is not much used today but it figures into a number of other terms to do with the gallbladder Cholecystectomy is removal of the gallbladder. Cholecystitis is inflammation of the gallbladder. Cholecystogram is an x-ray of the gallbladder.
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