41. AllRefer Health - Klinefelter Syndrome (47 X-X-Y Syndrome) klinefelter syndrome (47 XXY Syndrome) information center covers causes, prevention, symptoms, diagnosis, treatment, incidence, risk factors, signs, tests http://health.allrefer.com/health/klinefelter-syndrome-info.html

AllRefer Channels :: Yellow Pages Reference Health Home ... Contact Us Quick Jump ADD/ADHD Allergies Alzheimer's Disease Arthritis Asthma Back Pain Breast Cancer Cancer Colon Cancer Depression Diabetes Gallbladder Disease Heart Attack Hepatitis High Cholesterol HIV/AIDS Hypertension Lung Cancer Menopause Migraines/Headaches Osteoporosis Pneumonia Prostate Cancer SARS Stroke Urinary Tract Infection 1600+ More Conditions Alternative Medicine Health News Symptoms Guide Special Topics ... Medical Encyclopedia You are here : AllRefer.com Health Klinefelter Syndrome Klinefelter Syndrome Definition Treatment Expectations or Prognosis Complications ... Go To Main Page Alternate Names : 47 X-X-Y Syndrome Definition Klinefelter syndrome is a chromosome abnormality that affects only men and causes hypogonadism A person's sex is determined by the X and Y chromosomes. Normally, men have an X and a Y and women have two X's. In Klinefelter syndrome, a male has two X's and a Y. The condition is common and affects 1 in 500 men. The infant appears normal at birth, but the defect usually becomes apparent in puberty when secondary sexual characteristics fail to develop (or develop late). At this time, testicular changes occur that eventually result in infertility in the majority of those affected. Some mild cases may go undetected, with no abnormalities present except infertility.

42. Klinefelter Syndrome MAIN SEARCH INDEX. klinefelter syndrome. Definition. klinefelter syndrome is a chromosome disorder in males. People with this condition http://www.ehendrick.org/healthy/000797.htm

MAIN SEARCH INDEX Klinefelter syndrome Definition Description Causes and symptoms Diagnosis ... Resources Definition Klinefelter syndrome is a chromosome disorder in males. People with this condition are born with at least one extra X chromosome. Description Klinefelter syndrome is a condition where one or more extra X-chromosomes are present in a male. Boys with this condition appear normal at birth. They enter puberty normally, but by mid puberty have low levels of testosterone causing small testicles and the inability to make sperm. Affected males may also have learning disabilities and behavior problems such as shyness and immaturity and at an increased risk for certain other health problems. Klinefelter syndrome is one of the most common chromosomal abnormalities. About 1 in every 500 to 800 males is born with this disorder. Approximately 3% of the infertile male population have Klinefelter syndrome. Causes and symptoms Chromosomes are found in the cells in the body. Chromosomes contain genes, structures that tell the body how to grow and develop. Chromosomes are responsible for passing on hereditary traits from parents to child. Chromosomes also determine whether the child will be male or female. Normally, a person has a total of 46 chromosomes in each cell, two of which are responsible for determining that individual's sex. These two sex chromosomes are called X and Y. The combination of these two types of chromosomes determines the sex of a child. Females have two X chromosomes (the XX combination); males have one X and one Y chromosome (the XY combination).

43. Klinefelter Syndrome klinefelter syndrome. Definition In klinefelter syndrome, a problem very early in development results in an abnormal number and arrangement of chromosomes. http://www.chclibrary.org/micromed/00054060.html

Main Search Index Definition Description Causes ... Resources Klinefelter syndrome Definition Klinfelter syndrome is a genetic disorder affecting males. People with this syndrome are born with at least one extra X chromosome. Description Chromosomes are found in every cell in the body. Chromosomes contain genes, structures that direct the growth and functioning of all the cells and systems in the body. In other words, chromosomes are responsible for passing on hereditary traits from parents to child, like eye color, height, nose shape, etc. Chromosomes also determine whether the child will be male or female. Normally, a person has a total of 46 chromosomes in each cell, two of which are responsible for determining that individual's sex. These two sex chromosomes are called X and Y. The combination of these two types of chromosomes determines the sex of a child. Females have two X chromosomes (the XX combination); males have one X and one Y chromosome (the XY combination). In Klinefelter syndrome, a problem very early in development results in an abnormal number and arrangement of chromosomes. Most commonly, a male with Klinefelter syndrome will be born with 47 chromosomes in each cell, rather than the normal number of 46. The extra chromosome is an X chromosome. This means that rather than having the normal XY combination, the male has an XXY combination. Some Klinefelter patients have more complex chromosomal errors, including the presence of 48, 49, or even 50 chromosomes. All of the extra chromosomes are Xs.

44. Klinefelter Syndrome - Keep Kids Healthy A discussion of the klinefelter syndrome, a cause of mental retardation and delayed puberty in children with an extra X chromosome. klinefelter syndrome. http://www.keepkidshealthy.com/welcome/conditions/klinefelter.html

Bookstore Site Map Contact Us Help ... What's New? Search this site: Advanced Search Free Newsletters Main Menu Useful Tools Index of Topics Pediatric Problems New! Parenting Tips Symptom Guide Nutrition Immunizations ... Web Links Online Resources What's New Reviews New! Growth Charts Online Forums Vaccine Schedule Baby Names Guide ... Height Calculator Newsletters: Subscribe to get free news, tips and updates. Recommend Us tell a friend about us or email this page to a friend Main Diseases and Conditions Klinefelter Syndrome Boys normally have 46 chromosomes, including one X and one Y chromosome (46, XY). Girls also have 46 chromosomes, including two X chromosomes (46, XX). Related Topics Gynecomastia School Performance Children with Klinefelter syndrome have one or more extra X chromosomes. It occurs in about 1 out of every 1000 newborn males, and most of these children will have a chromosome complement equal to 47, XXY , although other patterns also exist. Since you must have a Y chromosome to have this disorder, it affects only males. The symptoms of Klinefelters may include a typical body appearance, being

45. Klinefelter Syndrome klinefelter syndrome. Definition. klinefelter syndrome is a chromosome disorder in males. People with this condition are http://www.healthatoz.com/healthatoz/Atoz/ency/klinefelter_syndrome.html

Encyclopedia Index K Home Encyclopedia Encyclopedia Index K Klinefelter syndrome Definition Klinefelter syndrome is a chromosome disorder in males. People with this condition are born with at least one extra X chromosome. Description Klinefelter syndrome is a condition where one or more extra X-chromosomes are present in a male. Boys with this condition appear normal at birth. They enter puberty normally, but by mid puberty have low levels of testosterone causing small testicles and the inability to make sperm. Affected males may also have learning disabilities and behavior problems such as shyness and immaturity and at an increased risk for certain other health problems. Klinefelter syndrome is one of the most common chromosomal abnormalities. About 1 in every 500 to 800 males is born with this disorder. Approximately 3% of the infertile male population have Klinefelter syndrome. Causes and symptoms Chromosomes are found in the cells in the body. Chromosomes contain genes, structures that tell the body how to grow and develop. Chromosomes are responsible for passing on hereditary traits from parents to child. Chromosomes also determine whether the child will be male or female. Normally, a person has a total of 46 chromosomes in each cell, two of which are responsible for determining that individual's sex. These two sex chromosomes are called X and Y. The combination of these two types of chromosomes determines the sex of a child. Females have two X chromosomes (the XX combination); males have one X and one Y chromosome (the XY combination).

46. Gynecomastia.org 1999. klinefelter syndrome, GENERAL INTEREST SURVEY. at age 62 to confirm klinefelter syndrome. at age 21 - Army doctor noticed tiny testes and small penis. http://www.gynecomastia.org/content/general/klinsyd.shtml

Front Page Discussion Boards Surgeon Listings GENERAL INFORMATION Gynecomastia In Men Dr. Delgado's FAQ Medical Articles Gilbert's Syndrome ... In The Press TREATMENT OPTIONS Living With Gynecomastia Drugs With Side Effects Hormones Questions to Ask Surgeons ... Unhappy Customers MISCELLANEOUS Male Gynecomastia Questionnaire Post Surgery Questionnaire Mailing Lists Contact Us SURGERY EXPERIENCES Letter 00080601 Letter 0080602 A Mother's Story Letter 01012701 ... FastCounter by bCentral (as of 8/11/01) Klinfelter Syndrome S-ca.......(sex-chromosome abnormality) FREQUENTLY ASKED QUESTIONS (FAQ) WHAT IS S-CA? It is a genetic disorder, which occurs at conception. It is only found in males and the chromosomes in the sex line has at least one extra "X". To date, it is unknown whether the extra X comes from the father or the mother or from both parents. In the medical community, it is more commonly known as 47,xxy, but there are many variants to this genetic structure, such as XXXY, XXXXY, XXYY, XX/XXY, XY/XXXY, XX/XXY, XY/XXY, XXY/XXXXY, XxY/Xx/XY, XXXYY, XXY/XX, XXY/XY, XXY/XYY, XXY/XXXY, XXX/XXXY, XXXXY/XXXXXY/XXX, XX(Y), XXXXYY/XXXXY/XXX, XO/XY/XXY, YO/XY,XXY, XO/XX/XY/XXY/XXXY, XY/XXY/XXxY, XY/XXY/XXXY, XX/XxY, XX/XY/XXY WHAT ARE THE MOST COMMON SYMPTOMS?

47. Klinefelter Syndrome klinefelter syndrome klinefelter syndrome and Associates National network. 4 affiliated groups. Founded 1990. WRITE klinefelter syndrome Assoc. http://my.webmd.com/hw/raising_a_family/shc29kln.asp

var guid_source = ""; var guid_source_id = ""; //unused var encodedurl = ""; WebMD Today Home WebMD News Center Member Services WebMD University My WebMD Find a Physician Medical Info Check Symptoms Medical Library Quizzes, Calculators Clinical Trials ... Women, Men, Lifestyle Who We Are About WebMD Site Map Health Topics Symptoms ... Klinefelter Syndrome Support Group Klinefelter Syndrome Klinefelter Syndrome and Associates National network. 4 affiliated groups. Founded 1990. Mission is to educate, encourage research and foster treatment and cures for symptoms of sex chromosome variations. These include, but are not limited to, XXY, XXX, XYY, XXXY, XXXXXY, XXYY, etc. Brochures are available that describe basic symptoms, diagnoses and treatments. Newsletter ($25/USA; $27/Canada; $30/Int'l) (US funds). WRITE: P.O. Box 119 Roseville, CA 95650 CALL: 1-888-999-9428 E-MAIL: ksinfo@genetic.org WEBSITE: http://www.genetic.org/ks VERIFIED: 3/31/2003 Klinefelter Syndrome Support Group Online. Offers online support group information. Provides e-mail list to chat with others, information on variations of the disorder, conferences and information on local support group meetings. WEBSITE: http://klinefeltersyndrome.org

48. Klinefelter Syndrome Self Help Clearinghouse. klinefelter syndrome. klinefelter syndrome and Associates. National network. klinefelter syndrome Support Group. Online. http://www.bchealthguide.org/kbase/shc/shc29kln.htm

document.write(''); var hwPrint=1; var hwDocHWID="shc29kln"; var hwDocTitle="Klinefelter Syndrome"; var hwRank="1"; var hwSectionHWID="shc29kln"; var hwSectionTitle=""; var hwSource="cn6.0"; var hwProdCfgSerNo="wsh_html_031_s"; var hwDocType="SHC"; Self Help Clearinghouse Klinefelter Syndrome Klinefelter Syndrome and Associates National network. 4 affiliated groups. Founded 1990. Mission is to educate, encourage research and foster treatment and cures for symptoms of sex chromosome variations. These include, but are not limited to, XXY, XXX, XYY, XXXY, XXXXXY, XXYY, etc. Brochures are available that describe basic symptoms, diagnoses and treatments. Newsletter ($25/USA; $27/Canada; $30/Int'l) (US funds). WRITE: P.O. Box 119 Roseville, CA 95650 CALL: 1-888-999-9428 E-MAIL: ksinfo@genetic.org WEBSITE: http://www.genetic.org/ks VERIFIED: 3/31/2003 Klinefelter Syndrome Support Group Online. Offers online support group information. Provides e-mail list to chat with others, information on variations of the disorder, conferences and information on local support group meetings. WEBSITE: http://klinefeltersyndrome.org

49. Klinefelter's Syndrome Klinefelter s syndrome. Klinefelter s syndrome is a condition XXY males. Chromosomes and klinefelter syndrome. Chromosomes, the spaghetti http://www.fact-index.com/k/kl/klinefelter_s_syndrome_1.html

Main Page See live article Alphabetical index Klinefelter's syndrome Klinefelter's syndrome is a condition caused by a chromosomal abnormality in males; sufferers have a pair of X chromosomes instead of just one. The XXY chromosome arrangement is a common genetic abnormality, occurring as frequently as 1 in 1,000 male births, but the symptoms that may result from having the extra chromosome is less common. Because of this extra chromosome, individuals with the abnormality are usually referred to as "XXY Males" rather than as "suffering from Klinefelter's syndrome." In mammals with more than one X chromosome, the genes on all but one X chromosome are barred from being expressed. This happens in XXY males as well as XX females. A few genes, however, have corresponding genes on the Y chromosome and are not barred. These triploid genes in XXY males may be responsible for the symptoms of Klinefelter's syndrome. In adults, the syndrome is characterised by gynecomastia (enlarged breasts), a rounded body type with abnormal body proportions, sparse facial and body hair, small testes, and an inability to produce sperm. Most XXY males have some degree of language impairment as well. The syndrome is associated with an increased risk of breast cancer, pulmonary disease, varicose veins, and osteoporosis. The condition was identified in by Dr. Harry Klinefelter in Boston. The cause was not found until the 1950s; the condition is incurable, but its symptoms can be treated in a number of ways, including testosterone treatment and other therapies.

50. Special Child: Disorder Zone Archives - Klinefelter Syndrome Disorder Zone Archives. klinefelter syndrome. Introduction. American Association for klinefelter syndrome Information and Support http//www.aaksis.org/KS.html; http://www.specialchild.com/archives/dz-032.html

Disorder Zone Archives Klinefelter Syndrome Introduction Klinefelter syndrome (KS) is a genetic disorder that is thought to be the most common chromosomal variation found in humans, with an occurrence rate of 1 in every 500 to 1,000 live born males. KS, which is found exclusively in males, is caused by a variation in the sex chromosomes, resulting in a hormone imbalance. KS occurs when a male has an extra X chromosome. That is, instead of having the typical 46 chromosomes, males with KS have 47 (typical males are classified as 46, XY, where they inherit the X chromosome from their mother and the Y chromosome from their father; males with KS are 47, XXY). The extra chromosome can be inherited from either the mother or the father, however, advanced maternal age does increase the risk slightly of having a child with XXY. KS was first described in 1942 by Dr. Harry Klinefelter and coworkers at Massachusetts General Hospital in Boston. In the late 1950's it was then revealed by other researchers that the cause of KS was due to an extra X chromosome. Features and Characteristics Not all males with XXY actually develop the syndrome (or its symptoms and characteristics). In fact, many males show no abnormalities at all. However, for those who have developed KS, the following characteristics have been identified:

51. THE MERCK MANUALSECOND HOME EDITION, Klinefelter Syndrome In Ch. klinefelter syndrome. klinefelter syndrome is a disorder in which male infants are born with an extra X chromosome (XXY). Klinefelter http://www.merck.com/mrkshared/mmanual_home2/sec23/ch266/ch266g.jsp

52. Klinefelter Syndrome - Medical Dictionary Definitions Of Popular Medical Terms MedicineNet Home MedTerms medical dictionary AZ List klinefelter syndrome. This combination of features has come to be recognized as klinefelter syndrome. http://www.medterms.com/script/main/art.asp?articlekey=4111

53. Klinefelter Syndrome klinefelter syndrome, Book, Home Page. http://www.fpnotebook.com/END176.htm

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54. Klinefelter Syndrome Definition Of Klinefelter Syndrome. What Is Klinefelter Syn Definition of klinefelter syndrome in the Dictionary and Thesaurus. Provides examples from classic literature, search by definition of klinefelter syndrome. http://www.thefreedictionary.com/Klinefelter syndrome

Dictionaries: General Computing Medical Legal Encyclopedia Klinefelter syndrome Word: Word Starts with Ends with Definition Noun Klinefelter syndrome - syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation; a genetic defect in which an extra X chromosome (XXY) is present in the male Klinefelter's syndrome XXY-syndrome syndrome - a pattern of symptoms indicative of some disease Legend: Synonyms Related Words Antonyms Some words with "Klinefelter syndrome" in the definition: cervical disc syndrome genetic science genetics Gilles de la Tourette syndrome ... XXY-syndrome Previous General Dictionary Browser Next Kleist Klemens Metternich kleptomania ... Klopstock Full Dictionary Browser KLIA Ekspres (enc.) KLIA Express (enc.) klick Klicket Klickitat County (enc.) Klickitat County, Washington (enc.) Klickitat, Washington (enc.) klieg light Klient (enc.) KLIK Rockets Dispensers (enc.) Kliment Voroshilov (enc.) Kliment Yefremovich Voroshilov (enc.) Klimmen-Ransdaal (enc.)

55. Your Health - Klinefelter Syndrome klinefelter syndrome. by Laurie Rosenblum, MPH. klinefelter syndrome (KS) is a disorder that occurs in some men who have more than one X chromosome (XXY). http://www.aurorahealthcare.org/yourhealth/healthgate/getcontent.asp?URLhealthga

56. ClinicalTrials.gov - Information On Clinical Trials And Human Research Studies: Search results for klinefelter syndrome CONDITION are shown below. Include trials that are no longer recruiting patients. 1 study was found. http://www.clinicaltrials.gov/search/condition=Klinefelter Syndrome

Home Search Browse Resources ... About Search results for Klinefelter Syndrome [CONDITION] are shown below. Include trials that are no longer recruiting patients. 1 study was found. Recruiting Brain Imaging of Childhood Onset Psychiatric Disorders, Endocrine Disorders and Healthy Children Conditions: Autoimmune Disease; Congenital Adrenal Hyperplasia; Healthy; Mental Disorder Diagnosed in Childhood; Neurologic Manifestations U.S. National Library of Medicine Contact NLM Customer Service National Institutes of Health Privacy ... Freedom of Information Act

57. Klinefelter Syndrome- Medcohealth.com klinefelter syndrome is a chromosome abnormality that affects only men and causes hypogonadism. klinefelter syndrome. Source ADAM, Inc. Updated December 2003. http://www.medcohealth.com/medco/consumer/ehealth/ehsarticle.jsp?ltSess=y&articl

58. Health Care Information Resources Klinefelter Syndrome Links html. klinefelter syndrome Links. For this resource. klinefelter syndrome klinefelter syndrome Associates information and support; http://www-hsl.mcmaster.ca/tomflem/klinefelter.html

The address of this page is: http://hsl.mcmaster.ca/tomflem/klinefelter.html Klinefelter Syndrome Links For more information, see: Genetic conditions , also in the Illness section of this resource. Klinefelter syndrome - information and support Klinefelter syndrome - Klinefelter Syndrome Support Group Home Page links to resources Klinefelter syndrome - a support group Klinefelter syndrome - American Association for Klinefelter Syndrome Information and Support a clearinghouse Klinefelter syndrome - Chromosomal Disorders about Klinefelters Syndrome and related chromosome disorders Klinefelter syndrome - XXY Information Klinefelter Syndrome Please read

59. Genetic Disorders, Klinefelter Syndrome Submit Your Site to the klinefelter syndrome category. Sponsored klinefelter syndrome Sites. Submit Your Site to the klinefelter syndrome category. http://www.iseekhealth.com/klinefelter_syndrome-1594.php

Home About Us Contact Submit Your Site Search : Home Health Conditions and Diseases Genetic Disorders ... Klinefelter Syndrome More Klinefelter Syndrome Categories: Submit Your Site to the Klinefelter Syndrome category Sponsored Klinefelter Syndrome Sites Cystic Fibrosis Book Store At WellnessBooks.com Comprehensive source to books on Cystic Fibrosis. Includes community boards and chat, book reviews and online ordering. Buy Genetic Disorders Products We link to merchants which offer Genetic Disorders products for sale. Online Doctors - Ask Us Now! Kasamba's variety of health experts- including Doctors, Specialists, Herbalists, Nurses and more- offer real help for affordable consultation fees- live via chat or e-mail! Buy Genetics Books At Amazon.com and Save! Would you like to save on Genetics Books at Amazon and other stores? Compare prices at BookSellersNow.com! Our site continually proves that online shopping can be fun! American Association for Klinefelter Syndrome Information and Support (AAKSIS) - Email list, conference, membership, newsletter, regional groups and resource links. Genetic Org Home - Information about Klinefelter Syndrome, when it was first discovered, the common characteristics, and treatment.

60. The DRM WebWatcher: Klinefelter Syndrome A Disability Resources Monthly guide to the best online resources about klinefelter syndrome (XXY males). http://www.disabilityresources.org/KLINE.html

Home WebWatcher Regional Librarians ... Contact Us The DRM WebWatcher Klinefelter Syndrome Updated 3/2004 A B C D ... About/Hint/Link The approximately 1 in 500 males with Klinefelter syndrome - also known as XXY males - have an extra X chromosome. For information about the effects of XXY or to find support resources, check these sites. Klinefelter Syndrome and Associates Information and support services from a nonprofit organization. A page by a parent of a child with XXYY, a very rare variant of Klinefelter syndrome. Vaughn Hambley's XXY Site This unnamed, personal web site by an individual with XXY is one of the most comprehensive around. There are downloadable articles and documents, a database of people interested in XXY, lots of links (include parenting links and international resources), and much more. (c) 1997-2000 Disability Resources, inc.

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