MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Premature ejaculation
Premature ejaculation is ejecting semen from the penis, usually accompanied by orgasm occurring sooner than a man wishes during sexual activity. Premature ejaculation is characterized by a lack of voluntary control over ejaculation that…
Read the definitionRandom terms
Show more- Pediatric Pertaining to children
- Retardation, reading Reading retardation means impaired ability to read. Reading retardation is an impairment that may, for…
- Allergic rhinitis, seasonal Allergic rhinitis (hay fever) which occurs during a specific season
- Fixation, internal A surgical procedure that stabilizes and joins the ends of fractured (broken) bones by mechanical devices…
- Pathognomonic A sign or symptom that is so characteristic of a disease that it makes the diagnosis. For example, Koplik's…
- Blastocystosis Infection with Blastocystis hominis, a common microscopic parasite found worldwide. Symptoms may include…
- Aphasia, nominal See Anomia
- Vaccinia necrosum See Progressive vaccinia
- Activity, drug A measure of the physiological response a drug produces in the body. A less active drug produces less…
- Tent, oxygen A tent-like device used to deliver high levels of oxygen to a patient in a bed. The tent typically covers the…
- Elastase 2 Neutrophil elastase, an enzyme in neutrophils that digests elastin. The gene ELA2 encoding elastase 2 is on…
- FGD1 The faciodigitogenital dysplasia gene. FGD1 normally plays an essential role in embryonic development…