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Cleft lip
Cleft lip Congenital defect in the upper lip where the maxillary prominence fails to merge with the merged medial nasal prominences. It is thought to be caused by faulty migration of the mesoderm in the head region.
RELATED TERMS--------------------------------------
Congenital
Present at birth.
Medial
Anatomical term meaning on the inside (as opposed to lateral). Not to be confused with median (nerve) that is compressed in carpal tunnel syndrome.
Mesoderm
The middle layer of cells in an embryo, from which the muscular, skeletal, vascular, connective etc. tissues develop.
SIMILAR TERMS--------------------------------------
Cleft lip and palate
A birth defect in which the lip or the lip and palate (roof of the mouth) do not grow together. Can be repaired with surgery, usually performed within the first year after birth.
Cleft lip or palate
A congenital split of the upper lip or roof of the mouth.
Cleft palate
An opening in the roof of the mouth (the palate) due to a failure of the palatal shelves to come fully together from either side of the mouth and fuse, as they normally should, during embryonic development.
Cleft palate prosthesis
A prosthetic device designed to close the opening left by a cleft in the palate and thereby to improve feeding and speech.
Cleft uvula
The uvula, the little V-shaped fleshy mass hanging from the back of the soft palate, is cleft. . Cleft uvula is a common minor anomaly occurring in about 1% of whites and 10% of Native Americans. Persons with a cleft uvula should not have their adenoids removed because, without the adenoids, they cannot achieve proper closure between the soft palate and pharynx while speaking and develop hypernasal speech. Also called bifid uvula.
PREVIOUS AND NEXT TERMS--------------------------------------
Chlormezanone
An antipsychotic substance.
Chlordiazepoxide
A tranquilizer.
Carpipramine
An antipsychotic drug.
Carbamazepine
An anticonvulsant.
Cataracts
Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence).
Cleft lip
Cold sores
Herpes simplex, caused by type 1 virus, primarily spread by oral secretions and usually occurring as a concomitant of fever. It may also develop in the absence of fever or prior illness. It commonly involves the facial region, especially the lips and the nares.
Constipation
Infrequent or difficult evacuation of feces.
Chronic obstructive pulmonary disease
A disease of chronic diffuse irreversible airflow obstruction. Subcategories of COPD include chronic bronchitis and pulmonary emphysema.
Cot death
The abrupt and unexplained death of an apparently healthy infant under one year of age, remaining unexplained after a thorough case investigation, including performance of a complete autopsy, examination of the death scene, and review of the clinical history.
Crohns disease
Gastrointestinal disorder characterized by chronic inflammatory infiltrates, fibrosis affecting all layers of the serosa, and development of noncaseating granulomas. The most common site of involvement is the terminal ileum with the colon as the second most common.
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