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Diseases » Klinefelter syndrome » Glossary

Glossary for Klinefelter syndrome

Autoimmune disorders - Teratogenic Agent: There is strong evidence to indicate that the development of autoimmune disorders during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the stage of pregnancy that the exposure occurred at.
Breast Cancer: Cancer of the breast.
Breast swelling: Swelling or enlargement of one or both breasts
Decreased libido: Decreased libido is a reduction in the sex drive
Delayed puberty: A lack of sexual maturation in an adolescent at an age significantly higher than the average age that child of that epidemiology attains puberty.
Depression: Various syndromes with excessive anxiety, phobias, or fear.
Enlarged prostate: Benign prostatic hyperplasia (BPH) is a noncancerous enlargement of the prostate gland that may restrict the flow of urine from the bladder.
Fertility symptoms: Fertility problems for men or women.
Gynecomastia: Enlarged male breasts
Hair loss: Loss or thinning of head or body hair
Hypogonadism: Medical term for a defect of the reproductive system that results in lack of function of the gonads (ovaries or testes).
Hypopituitarism: A disorder caused by reduced pituitary hormone levels. Hormones produce by the pituitary gland produces growth hormones, prolactin, thyroid stimulating hormone, antidiuretic hormone and others.
Infertility: Inability of couples to establish pregnancy by having sexual intercourse over a period of time, usually more than 1 year in length.
Intersex conditions: When the sex of an individual is not clear and may comprise characteristics of both sexes
Kallmann Syndrome: A rare inherited condition characterized by hypogonadism, eunuchoidism and impaired or absent sense of smell. The condition occurs as a result of failure of a part of the hypothalamus which results in hormonal imbalance.
Klinefelter syndrome: A genetic condition where males have at least one extra X chromosome or extra copies of both the X and Y chromosomes in each cell. Normally male cells contain one X and one Y chromosome in each cell. The condition is not inherited but is a result of problems during cell division. Klinefelter syndrome variants is a more severe form of the condition as it involves more than one extra X or X and Y chromosome in each cell.
Male infertility: The inability of the male to reproduce
Marfan syndrome: A genetic connective tissue disorder involving a defect of chromosome 15q21.1 which affects the production of the fibrillin needed to make connective tissue.
No symptoms: The absence of noticable symptoms.
Osteoporosis: Bone thinning and weakening from bone calcium depletion.
Psychological problems: Symptoms affecting emotional or psychological factors.
Reading symptoms: Problems with reading ability
Rheumatoid arthritis: Autoimmune form of arthritis usually in teens or young adults.
Sex chromosome conditions: Any condition that affects the sex chromosomes
Sexual Conditions: Any condition that affects sexual function
Small testicle: Small size of testicle or testes
X Chromosome Disorders: Any condition that affects the x chromosome of an individual
Y Chromosome Disorders: A disorder that is caused by the occurrence of genetic material on the Y chromosome