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).
Coitus interruptus
A method of contraception, also called withdrawal, in which the man withdraws his penis from the vagina before ejaculation. Fertilization is prevented because the sperm do not enter the vagina. The effectiveness of this maneuver depends on…
Read the definitionRandom terms
Show more- Prusiner See: Prusiner, Stanley B.
- Staph infection Staph infection: A staph infection is an infection with a Staphylococcal bacteria.
- Hereditary angioneurotic edema Edema: A genetic form of angioedema. (Angioedema is also referred to as Quinke's disease.) Persons with it…
- Fatty aldehyde dehydrogenase deficiency Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a…
- American College of Nurse-Midwives See: Nurse-midwife
- Emphysema Emphysema: 1) A lung condition featuring an abnormal accumulation of air in the lung's many tiny air sacs, a…
- Facultative 1. In general, not obligatory but rather capable of adapting to different conditions. The opposite of…
- Progeny The children and other descendants. For example one might say that the progeny of someone with a genetic…
- Pacifier An artificial nipple, usually made of plastic, upon which an infant can suck to gain some solace and quiet…
- Minipill A form of oral contraceptive taken daily, like combined oral contraceptives (the 'pill'), but containing only…
- Isotonic solution A solution that has the same salt concentration as the normal cells of the body and the blood. As opposed to…
- Hardy-Weinberg law Basic concept in population genetics discovered independently in 1908 by the great English mathematician…