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Birt Hogg Dube syndrome
Birt Hogg Dube syndrome See: Birt-Hogg-Dube syndrome.
RELATED TERMS--------------------------------------
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.
SIMILAR TERMS--------------------------------------
Birt-Hogg-Dube syndrome
An inherited condition in which benign tumors develop in hair follicles on the head, chest, back, and arms. These tumors are called fibrofolliculomas. Other characteristic skin abnormalities are trichodiscomas and acrochordons. A trichodiscoma is a tumor of the hair disc while an acrochordon is a skin tag. People with this syndrome are at increased risk for developing colon or kidney cancer as well as spontaneous pneumothorax due to lung cysts.
Birth canal
The passageway - made up of the cervix, vagina, and vulva - the baby travels through during birth.
Birth cohort
A group of people born during a particular period or year.
Birth control pill
Oral contraceptives are contraceptives which are taken orally and inhibit the body's fertility by chemical means. Female oral contraceptives have been on the market since the early 1960s. Male oral contraceptives remain a subject of research and development, and are not available widely (if at all) to the public. Studies continue of various alternatives, such as gossypol.
Birth control, emergency
See: Emergency contraception.
Birth defect
Any defect present in a baby at birth, irrespective of whether the defect is caused by a genetic factor or by prenatal events that are not genetic.
Birth defects, study of
The study of birth defects is now usually called dysmorphology.
Birth rate
The birth rate is usually given as the number of live births divided by the average population (or the population at midyear). This is termed the crude birth rate.
Birthing room
A place designed and equipped for women giving birth. Some are in hospitals, others are totally separate facilities.
Birthmark
A persistent visible mark on the skin that is evident at birth or shortly thereafter. A birthmark is often due to a nevus (a mole) or an hemangioma (a localized collection of small blood vessels).
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Biotechnology
The fusion of biology and technology. Biotechnology is the application of biological techniques to product research and development. In particular, biotechnology involves the use by industry of recombinant DNA, cell fusion, and new bioprocessing techniques. Biotechnology is expected to become increasingly important in the 21st century.
Bioterrorism
"Terrorism using biologic agents. Biological diseases and the agents that might be used for terrorism have been listed by the US Centers for Disease Control and Prevention (the CDC). The list includes a sizable number of ""select agents"" -- potential weapons whose transfer in the scientific and medical communities is regulated to keep them out of unfriendly hands."
Biotin
A water-soluble B-complex vitamin involved in carbon dioxide transfer and therefore essential to the metabolism of carbohydrate and fat. A balanced diet usually contains enough biotin. Foods with high biotin levels include nuts, cereals, green leafy vegetables and milk. Biotin deficiency, which is characterized by hair loss and a scaly red rash, can occur with prolonged intravenous feeding or the frequent consumption of raw egg whites which contain a biotin antagonist called avidin. Biotin supplementation is recommended during pregnancy because the biotin requirement rises during pregnancy and a substantial number of pregnant women become biotin depleted. Extra biotin is also needed during long-term anticonvulsant treatment which depletes biotin.
Bipolar disease
Manic-depressive disease. See: Bipolar disorder.
Bird flu
See: Avian influenza.
Birt Hogg Dube syndrome
Birt-Hogg-Dube syndrome
An inherited condition in which benign tumors develop in hair follicles on the head, chest, back, and arms. These tumors are called fibrofolliculomas. Other characteristic skin abnormalities are trichodiscomas and acrochordons. A trichodiscoma is a tumor of the hair disc while an acrochordon is a skin tag. People with this syndrome are at increased risk for developing colon or kidney cancer as well as spontaneous pneumothorax due to lung cysts.
Birth cohort
A group of people born during a particular period or year.
Birth control, emergency
See: Emergency contraception.
Birth defect
Any defect present in a baby at birth, irrespective of whether the defect is caused by a genetic factor or by prenatal events that are not genetic.
Birth defects, study of
The study of birth defects is now usually called dysmorphology.
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