MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Precocious puberty
Precocious puberty is the unusually early development of secondary sexual features. The onset of sexual maturation in a girl before age 8 or a boy before age 9 is usually considered to be precocious puberty
Read the definitionRandom terms
Show more- Paraneoplastic syndrome The collective signs and symptoms caused by a substance emanating from a tumor or in reaction to a tumor…
- Median The middle. Like the median strip in a highway.
- IV (intravenous) >Intravenous antibiotics refer to the administration into the venous circulation of a solution containing…
- Family history of colon cancer See: Colon cancer family history
- Glucosamine A molecule derived from the sugar glucose by the addition of an amino (NH2) group, glucosamine is a component…
- Disorder, anxiety A chronic condition characterized by an excessive and persistent sense of apprehension with physical symptoms…
- Parthenogenesis Development of a germ cell without fertilization. This is what happens in the formation of ovarian teratomas…
- Neuron, arcuate See: Arcuate neuron
- Gene duplication An extra copy of a gene. Gene duplication is a key mechanism in evolution. Once a gene is duplicated, the…
- Iatr- Prefix relating to a physician or medicine. An iatrogenic illness is one inadvertently caused by a physician…
- Great Plague The 'Great Plague' that swept London in 1665 was probably not really the plague but rather typhus. The plague…
- Coenzyme Q10 A compound needed for the proper functioning of an enzyme, a protein that speeds up the rate at which…