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Klinefelter syndrome

Index Klinefelter syndrome

Klinefelter syndrome (KS) also known as 47,XXY or XXY, is the set of symptoms that result from two or more X chromosomes in males. [1]

102 relations: Abortion, Adolescence, American Journal of Human Genetics, Amniocentesis, Androgen replacement therapy, Aneuploidy, Aortic valve, Assisted reproductive technology, Australia, Autoimmune disease, Azoospermia, Barr body, Behaviour therapy, Biopsy, Boston, Breast cancer, Calico cat, Cat, Childhood, Chorionic villus sampling, Chromatin, Chromosome, Chromosome abnormality, Dermal fibroblast, Developmental coordination disorder, Differential diagnosis, Dyslexia, Edinburgh, Ethnic group, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Executive functions, Follicle-stimulating hormone, Fragile X syndrome, Fuller Albright, Gene, Genetic carrier, Genetic testing, Gonadotropin, Gynecomastia, Harry Klinefelter, Heredity, Hormone, Hormone therapy, Hypogonadism, In vitro fertilisation, Infertility, Intersex, John Anderson Strong, Kallmann syndrome, Karyotype, ..., Life expectancy, List of counseling topics, Luteinizing hormone, Lymphocyte, Mammal, Marfan syndrome, Massachusetts General Hospital, Mastectomy, Medical genetics, Meiosis, Microorchidism, Model organism, Mortality rate, Mosaic (genetics), Motor coordination, Nature (journal), Neoplasm, Nipple, Nondisjunction, Occupational therapy, Osteoporosis, Patricia Jacobs, Physical therapy, Prenatal development, Prenatal testing, Prevalence, Pseudoautosomal region, Psychosocial, Puberty, Secondary sex characteristic, Sex linkage, Speech-language pathology, Subarachnoid hemorrhage, Surgery, Testicle, Testosterone, Testosterone (medication), Tortoiseshell cat, Triple X syndrome, Trisomy, True hermaphroditism, Turner syndrome, United States National Library of Medicine, Venous thrombosis, Western General Hospital, X chromosome, X-inactivation, XXXY syndrome, XXYY syndrome, XYY syndrome, Y chromosome, 49,XXXXY. Expand index (52 more) »

Abortion

Abortion is the ending of pregnancy by removing an embryo or fetus before it can survive outside the uterus.

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Adolescence

AdolescenceMacmillan Dictionary for Students Macmillan, Pan Ltd.

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American Journal of Human Genetics

The American Journal of Human Genetics is a monthly peer-reviewed scientific journal in the field of human genetics.

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Amniocentesis

Amniocentesis (also referred to as amniotic fluid test or AFT) is a medical procedure used in prenatal diagnosis of chromosomal abnormalities and fetal infections, and also for sex determination, in which a small amount of amniotic fluid, which contains fetal tissues, is sampled from the amniotic sac surrounding a developing fetus, and then the fetal DNA is examined for genetic abnormalities.

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Androgen replacement therapy

Androgen replacement therapy (ART), often referred to as testosterone replacement therapy (TRT), is a class of hormone replacement therapy in which androgens, often testosterone, are replaced.

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Aneuploidy

Aneuploidy is the presence of an abnormal number of chromosomes in a cell, for example a human cell having 45 or 47 chromosomes instead of the usual 46.

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Aortic valve

The aortic valve is a valve in the human heart between the left ventricle and the aorta.

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Assisted reproductive technology

Assisted reproductive technology (ART) is the technology used to achieve pregnancy in procedures such as fertility medication, in vitro fertilization and surrogacy.

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Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Autoimmune disease

An autoimmune disease is a condition arising from an abnormal immune response to a normal body part.

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Azoospermia

Azoospermia is the medical condition of a man whose semen contains no sperm.

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Barr body

A Barr body (named after discoverer Murray Barr) is the inactive X chromosome in a female somatic cell, rendered inactive in a process called lyonization, in those species in which sex is determined by the presence of the Y (including humans) or W chromosome rather than the diploidy of the X. The Lyon hypothesis states that in cells with multiple X chromosomes, all but one are inactivated during mammalian embryogenesis.

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Behaviour therapy

Behaviour therapy is a broad term referring to clinical psychotherapy that uses techniques derived from behaviourism.

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Biopsy

A biopsy is a medical test commonly performed by a surgeon, interventional radiologist, or an interventional cardiologist involving extraction of sample cells or tissues for examination to determine the presence or extent of a disease.

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Boston

Boston is the capital city and most populous municipality of the Commonwealth of Massachusetts in the United States.

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Breast cancer

Breast cancer is cancer that develops from breast tissue.

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Calico cat

Calico cats are domestic cats with a spotted or particolored coat that is predominantly white, with patches of two other colors (often orange and black).

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Cat

The domestic cat (Felis silvestris catus or Felis catus) is a small, typically furry, carnivorous mammal.

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Childhood

Childhood is the age span ranging from birth to adolescence.

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Chorionic villus sampling

Chorionic villus sampling (CVS), sometimes called "chorionic villous sampling" (as "villous" is the adjectival form of the word "villus"), is a form of prenatal diagnosis to determine chromosomal or genetic disorders in the fetus.

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Chromatin

Chromatin is a complex of macromolecules found in cells, consisting of DNA, protein, and RNA.

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Chromosome

A chromosome (from Ancient Greek: χρωμόσωμα, chromosoma, chroma means colour, soma means body) is a DNA molecule with part or all of the genetic material (genome) of an organism.

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Chromosome abnormality

A chromosome abnormality, disorder, anomaly, aberration, or mutation is a missing, extra, or irregular portion of chromosomal DNA.

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Dermal fibroblast

Dermal fibroblasts are cells within the dermis layer of skin which are responsible for generating connective tissue and allowing the skin to recover from injury.

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Developmental coordination disorder

Developmental coordination disorder (DCD), also known as developmental dyspraxia or simply dyspraxia, is a chronic neurological disorder beginning in childhood.

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Differential diagnosis

In medicine, a differential diagnosis is the distinguishing of a particular disease or condition from others that present similar clinical features.

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Dyslexia

Dyslexia, also known as reading disorder, is characterized by trouble with reading despite normal intelligence.

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Edinburgh

Edinburgh (Dùn Èideann; Edinburgh) is the capital city of Scotland and one of its 32 council areas.

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Ethnic group

An ethnic group, or an ethnicity, is a category of people who identify with each other based on similarities such as common ancestry, language, history, society, culture or nation.

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Eunice Kennedy Shriver National Institute of Child Health and Human Development

The Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) is one of the National Institutes of Health (NIH) in the United States Department of Health and Human Services.

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Executive functions

Executive functions (collectively referred to as executive function and cognitive control) are a set of cognitive processes that are necessary for the cognitive control of behavior: selecting and successfully monitoring behaviors that facilitate the attainment of chosen goals.

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Follicle-stimulating hormone

Follicle-stimulating hormone (FSH) is a gonadotropin, a glycoprotein polypeptide hormone.

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Fragile X syndrome

Fragile X syndrome (FXS) is a genetic disorder.

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Fuller Albright

Fuller Albright (January 12, 1900 – December 8, 1969) was an American endocrinologist who made numerous contributions to his field, especially to the area of calcium metabolism.

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Gene

In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.

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Genetic carrier

A hereditary carrier (or just carrier), is a person or other organism that has inherited a recessive allele for a genetic trait or mutation but usually does not display that trait or show symptoms of the disease.

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Genetic testing

Genetic testing, also known as DNA testing, allows the determination of bloodlines and the genetic diagnosis of vulnerabilities to inherited diseases.

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Gonadotropin

Gonadotropins are glycoprotein polypeptide hormones secreted by gonadotrope cells of the anterior pituitary of vertebrates.

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Gynecomastia

Gynecomastia is an endocrine system disorder in which a noncancerous increase in the size of male breast tissue occurs.

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Harry Klinefelter

Harry Fitch Klinefelter, Jr. (March 20, 1912 – February 20, 1990) was an American rheumatologist and endocrinologist.

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Heredity

Heredity is the passing on of traits from parents to their offspring, either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.

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Hormone

A hormone (from the Greek participle “ὁρμῶ”, "to set in motion, urge on") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.

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Hormone therapy

Hormone therapy or hormonal therapy is the use of hormones in medical treatment.

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Hypogonadism

Hypogonadism means diminished functional activity of the gonads—the testes or the ovaries —that may result in diminished sex hormone biosynthesis.

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In vitro fertilisation

In vitro fertilisation (IVF) is a process of fertilisation where an egg is combined with sperm outside the body, in vitro ("in glass").

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Infertility

Infertility is the inability of a person, animal or plant to reproduce by natural means.

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Intersex

Intersex people are born with any of several variations in sex characteristics including chromosomes, gonads, sex hormones, or genitals that, according to the UN Office of the High Commissioner for Human Rights, "do not fit the typical definitions for male or female bodies".

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John Anderson Strong

Dr.

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Kallmann syndrome

Kallmann syndrome (KS) is a genetic disorder that prevents a person from starting or fully completing puberty.

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Karyotype

A karyotype is the number and appearance of chromosomes in the nucleus of a eukaryotic cell.

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Life expectancy

Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, its current age and other demographic factors including gender.

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List of counseling topics

Counseling is the activity of the counselor, or a professional who counsels people, especially on personal problems and difficulties.

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Luteinizing hormone

Luteinizing hormone (LH, also known as lutropin and sometimes lutrophin) is a hormone produced by gonadotropic cells in the anterior pituitary gland.

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Lymphocyte

A lymphocyte is one of the subtypes of white blood cell in a vertebrate's immune system.

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Mammal

Mammals are the vertebrates within the class Mammalia (from Latin mamma "breast"), a clade of endothermic amniotes distinguished from reptiles (including birds) by the possession of a neocortex (a region of the brain), hair, three middle ear bones, and mammary glands.

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Marfan syndrome

Marfan syndrome (MFS) is a genetic disorder of the connective tissue.

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Massachusetts General Hospital

Massachusetts General Hospital (Mass General or MGH) is the original and largest teaching hospital of Harvard Medical School and a biomedical research facility located in the West End neighborhood of Boston, Massachusetts.

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Mastectomy

Mastectomy (from Greek μαστός "breast" and ἐκτομή ektomia "cutting out") is the medical term for the surgical removal of one or both breasts, partially or completely.

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Medical genetics

Medical genetics is the branch of medicine that involves the diagnosis and management of hereditary disorders.

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Meiosis

Meiosis (from Greek μείωσις, meiosis, which means lessening) is a specialized type of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct from the parent cell that gave rise to them.

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Microorchidism

Microorchidism is a genetic disorder found in males, characterized by abnormally small testes.

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Model organism

A model organism is a non-human species that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in the organism model will provide insight into the workings of other organisms.

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Mortality rate

Mortality rate, or death rate, is a measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time.

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Mosaic (genetics)

In genetics, a mosaic, or mosaicism, involves the presence of two or more populations of cells with different genotypes in one individual, who has developed from a single fertilized egg.

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Motor coordination

Motor coordination is the combination of body movements created with the kinematic (such as spatial direction) and kinetic (force) parameters that result in intended actions.

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Nature (journal)

Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.

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Neoplasm

Neoplasia is a type of abnormal and excessive growth of tissue.

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Nipple

The nipple is a raised region of tissue on the surface of the breast from which milk leaves the breast through the lactiferous ducts.

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Nondisjunction

Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate properly during cell division.

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Occupational therapy

Occupational therapy (OT) is the use of assessment and intervention to develop, recover, or maintain the meaningful activities, or occupations, of individuals, groups, or communities.

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Osteoporosis

Osteoporosis is a disease where increased bone weakness increases the risk of a broken bone.

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Patricia Jacobs

Patricia Ann Jacobs OBE FRSE FRS FMedSci FRCPath (born 1934) is a Scottish geneticist and is Honorary Professor of Human Genetics, Co-director of Research, Wessex Regional Genetics Laboratory, within Southampton University.

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Physical therapy

Physical therapy (PT), also known as physiotherapy, is one of the allied health professions that, by using mechanical force and movements (bio-mechanics or kinesiology), manual therapy, exercise therapy, and electrotherapy, remediates impairments and promotes mobility and function.

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Prenatal development

Prenatal development is the process in which an embryo and later fetus develops during gestation.

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Prenatal testing

Prenatal testing consists of prenatal screening and prenatal diagnosis, which are aspects of prenatal care that focus on detecting problems with the pregnancy as early as possible.

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Prevalence

Prevalence in epidemiology is the proportion of a particular population found to be affected by a medical condition (typically a disease or a risk factor such as smoking or seat-belt use).

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Pseudoautosomal region

The pseudoautosomal regions, PAR1, PAR2, are homologous sequences of nucleotides on the X and Y chromosomes.

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Psychosocial

The psychosocial approach looks at individuals in the context of the combined influence that psychological factors and the surrounding social environment have on their physical and mental wellness and their ability to function.

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Puberty

Puberty is the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction.

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Secondary sex characteristic

Secondary sex characteristics are features that appear during puberty in humans, and at sexual maturity in other animals.

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Sex linkage

Sex linkage is the phenotypic expression of an allele related to the allosome (sex chromosome) of the individual.

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Speech-language pathology

Speech-language pathology is a field of expertise practiced by a clinician known as a speech-language pathologist (SLP), also sometimes referred to as a speech and language therapist or a speech therapist. SLP is considered a "related health profession" along with audiology, optometry, occupational therapy, clinical psychology, physical therapy, and others.

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Subarachnoid hemorrhage

Subarachnoid hemorrhage (SAH) is bleeding into the subarachnoid space—the area between the arachnoid membrane and the pia mater surrounding the brain.

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Surgery

Surgery (from the χειρουργική cheirourgikē (composed of χείρ, "hand", and ἔργον, "work"), via chirurgiae, meaning "hand work") is a medical specialty that uses operative manual and instrumental techniques on a patient to investigate or treat a pathological condition such as a disease or injury, to help improve bodily function or appearance or to repair unwanted ruptured areas.

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Testicle

The testicle or testis is the male reproductive gland in all animals, including humans.

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Testosterone

Testosterone is the primary male sex hormone and an anabolic steroid.

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Testosterone (medication)

Testosterone is a medication and naturally occurring steroid hormone.

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Tortoiseshell cat

Tortoiseshell is a cat coat coloring named for its similarity to tortoiseshell material.

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Triple X syndrome

Triple X syndrome, also known as trisomy X and 47,XXX, is characterized by the presence of an extra X chromosome in each cell of a female.

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Trisomy

A trisomy is a type of polysomy in which there are three instances of a particular chromosome, instead of the normal two.

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True hermaphroditism

True hermaphroditism, clinically known as ovotesticular disorder of sex development, is a medical term for an intersex condition in which an individual is born with ovarian and testicular tissue.

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Turner syndrome

Turner syndrome (TS), also known as 45,X or 45,X0, is a condition in which a female is partly or completely missing an X chromosome.

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United States National Library of Medicine

The United States National Library of Medicine (NLM), operated by the United States federal government, is the world's largest medical library.

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Venous thrombosis

A venous thrombus is a blood clot (thrombus) that forms within a vein.

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Western General Hospital

The Western General Hospital (often abbreviated to simply "The Western"), at Crewe Road, Edinburgh, Scotland, is part of NHS Lothian, a Health Board which provides a comprehensive range of adult and paediatric care to the people of Edinburgh, the Lothians and beyond.

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X chromosome

The X chromosome is one of the two sex-determining chromosomes (allosomes) in many organisms, including mammals (the other is the Y chromosome), and is found in both males and females.

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X-inactivation

X-inactivation (also called lyonization) is a process by which one of the copies of the X chromosome present in female mammals is inactivated.

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XXXY syndrome

XXXY syndrome is a genetic disorder characterized by a sex chromosome aneuploidy, where males have two extra X chromosomes.

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XXYY syndrome

XXYY syndrome is a sex chromosome anomaly in which males have an extra X and Y chromosome.

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XYY syndrome

XYY syndrome is a genetic condition in which a male has an extra Y chromosome.

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Y chromosome

The Y chromosome is one of two sex chromosomes (allosomes) in mammals, including humans, and many other animals.

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49,XXXXY

49,XXXXY syndrome is an extremely rare aneuploidic sex chromosomal abnormality.

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Redirects here:

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References

[1] https://en.wikipedia.org/wiki/Klinefelter_syndrome

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