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The most common cause of gynecomastia is puberty. Other causes include:Chronic liver diseaseExposure to anabolic steroid hormonesExposure to estrogen hormoneGenetic disordersKidney failureMarijuana useSide effects of some medicationsTestosterone (...
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Breast growth is directed exclusively by female hormones—estrogens. Although men have some estrogen in their system, it is usually insufficient to cause much breast enlargement because it is counterbalanced by male hormones—androgens.
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Puberty is the time in which sexual and physical characteristics mature. It occurs due to hormone changes.Adolescence is the period between puberty and adulthood.Maturation- sexual; Adolescence; Reproductive development; Sexual maturation; Menarch...
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Puberty is the period of human development during which physical growth and sexual maturity occurs.The word puberty is derived from the Latin pubertas, which means adulthood. Puberty is initiated by hormonal changes triggered by a part of the brai...
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This stage of your life is when you change from a girl into a young woman. Puberty will last a few years. During puberty, your body will go through some amazing changes. And your feelings may take you on a roller coaster ride.
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Detailed information on puberty and the adolescent female The teenage years are also called adolescence. During this time, the teenager will see the greatest amount of growth in height and weight. Adolescence is a time for growth spurts and puberty changes. An adolescent may grow several inches in several months followed by a period of very slow growth, then have another growth spurt. Changes with puberty may occur gradually or several signs may become visible at the same time.
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Detailed information on precocious puberty, including causes, symptom, diagnosis, and treatment
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Detailed information on problems in puberty, including precocious puberty, gonadotropin-independent precocious puberty, and delayed puberty
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Detailed information on puberty and the adolescent female The teenage years are also called adolescence. During this time, the teenager will see the greatest amount of growth in height and weight. Adolescence is a time for growth spurts and puberty changes. An adolescent may grow several inches in several months followed by a period of very slow growth, then have another growth spurt. Changes with puberty may occur gradually or several signs may become visible at the same time.
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What is puberty? Growing up. Your body and feelings are changing at their own pace. Growing up can be a great experience: a time of changing and finding out who you are.
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Detailed information on puberty and the adolescent male The teenage years are also called adolescence. During this time, the teenager will see the greatest amount of growth in height and weight. Adolescence is a time for growth spurts and puberty changes. An adolescent may grow several inches in several months followed by a period of very slow growth, then have another growth spurt. Changes with puberty may occur gradually or several signs may become visible at the same time.
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Detailed information on male growth and development The teenage years are also called adolescence. During this time, the teenager will see the greatest amount of growth in height and weight. Adolescence is a time for growth spurts and puberty changes. An adolescent may grow several inches in several months followed by a period of very slow growth, then have another growth spurt. Changes with puberty may occur gradually or several signs may become visible at the same time.
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Detailed information on puberty and the adolescent male The teenage years are also called adolescence. During this time, the teenager will see the greatest amount of growth in height and weight. Adolescence is a time for growth spurts and puberty changes. An adolescent may grow several inches in several months followed by a period of very slow growth, then have another growth spurt. Changes with puberty may occur gradually or several signs may become visible at the same time.
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Puberty is the period of human development during which physical growth and sexual maturation occur.Beginning as early as age eight in girls—and two years later on average in boys—the hypothalamus(part of the brain) signals hormonal ch...
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Sometimes referred to as teenage years, youth, or puberty, adolescence is the transitional period between childhood and maturity, occurring roughly between the ages of 10 and 20.The word adolescence is Latin in origin, derived from the verb adoles...
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(Also, the period during which this process takes place.).The word puberty is derived from the Latin pubertas, which means adulthood. Puberty is initiated by hormonal changes triggered by a part of the brain called the hypothalamus, which stimulat...
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Testosterone, the principal male sex hormone, is produced in the testes.Testosterone, an androgen, is necessary for the development of external genitals in the male fetus. In addition, increased levels of testosterone in males during puberty trigg...
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Sex hormones tests include tests that measure levels of estrogen(estradiol and estriol), progesterone, and testosterone(total and free).In non-pregnant women, a test of estradiol(E2) levels is ordered to evaluate delayed sexual maturity, precociou...
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Synthetic derivatives of the natural hormone testosterone are used to reduce the size of hormone-responsive tumors.Testosterone-related drugs are used to treat advanced disseminated breast cancer in women.Testosterone belongs to a class of hormone...
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Detailed information on single gene defects and patterns of inheritance Genes are what determine your traits, such as eye color and blood type. They are contained on our chromosomes, which normally number 46 (23 pairs) in each cell of our body. There are an estimated 25,000 genes contained on these 46 chromosomes. Genes are made of DNA. DNA is an acronym for deoxyribonucleic acid. DNA is made up of base pairs that code for certain proteins. So, ultimately, a gene, or a section of our DNA, makes a protein. There is also DNA in-between genes, which does not code for anything in particular, but simply serves as a "spacer." Therefore, not all of the DNA in our cells is used to make protein products.
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Detailed information on single gene defects and patterns of inheritance There are many different single gene defects that require clinical care by a physician or other healthcare professional. Listed in the directory below are some, for which we have provided a brief overview.
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Phenytoin is a medicine used to treat convulsions and seizures. Phenytoin overdose occurs when someone takes too much of this medicine.This is for information only and not for use in the treatment or management of an actual poison exposure.
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