Medical Glossary

This glossary contains:
19186
medical terms

Facing




Facing

Tooth colored overlay on the visible portion of a crown; may be acrylic, composite or porcelain.

RELATED TERMS
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Crown
(1) the portion of a tooth above the gum line; (2) dental restoration covering all or most of the natural tooth



SIMILAR TERMS
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Facial canal introitus
In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the facial canal is the entrance to the facial canal, a passage in the temporal bone of the skull through which the facial nerve (the 7th cranial nerve) travels.

Facial muscle
One of the 43 muscles in the human face. The facial muscles convey basic human emotions such as anger, sadness, fear, surprise, disgust, contempt and happiness by very clear facial signals.

Facioscapulohumeral muscular dystrophy
A form of muscular dystrophy that typically begins before age 20 with slowly progressive weakness of the muscles of the face, shoulders, and feet. The severity of the disease is quite variable. Although most people with facioscapulohumeral muscular dystrophy (FSHD) retain the ability to walk, about 20% require a wheelchair. Life expectancy is not shortened. The diagnosis can be confirmed by a DNA test disclosing the deletion of copies of a repeat motif called D4Z4 on chromosome 4. FSHD is inherited in an autosomal dominant manner. Offspring of an affected individual have a 50% chance of inheriting the mutant chromosome 4. About 10-30% of cases are due to a new mutation. Prenatal testing is available.



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Fetal Alcohol Syndrome (FAS)
A pattern of retarded growth and development, both mental and physical, with cranial, facial, 1imb, and cardiovascular defects, found in some children of mothers whose alcohol consumption during pregnancy can be classed as hazardous. The commonest abnormalities are: prenatal and postnatal growth deficiency, microcephaly, developmental delay or mental retardation, short palpebral fissures, a short upturned nose with sunken nasal bridge and a thin upper lip, abnormal palmar creases, and cardiac (especially septal) defects. Many other more subtle abnormalities have also been attributed to the effects of alcohol on the fetus.

Fragile X Syndrome
Fragile X Syndrome is the most common inherited cause of mental impairment, and the most common known cause of autism. Fragile X syndrome is a genetic disorder caused by a mutation of the FMR1 gene on the X chromosome, a mutation found in 1 out of every 2000 males and 1 out of every 4000 females. Typically the FMR1 gene contains between 6 and 53 repeats of the CGG codon. In people with the disorder, the FMR1 allele has over 230 repeats.

Follicle
The tiny shaft in the skin through which a hair grows, and sebum is excreted from sebaceous glands to the surface of the skin.

Festination
Walking with a series of quick, small, shuffling steps as if hurrying forward to keep balance.

Flexor muscle
Any muscle that causes the bending of a limb or other body part.

Facing

FAGD
Fellowship Academy of General Dentistry.

Filling
Restoration of lost tooth structure with metal, porcelain or resin materials.

Fistula
channel emanating pus from an infection site; a gum boil

Flap surgery
Lifting of gum tissue to expose and clean underlying tooth and bone structures.

Freeway space
Distance between the upper and lower teeth with the lower jaw in rest position.

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This dictionary contains 19186 terms.







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