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).
Pertussis
Pertussis: Whooping cough, a communicable, potentially deadly illness characterized by fits of coughing followed by a noisy, 'whooping' indrawn breath. It is caused by the bacteria Bordetella pertussis. The illness is most likely to affect…
Read the definitionRandom terms
Show more- Antagonist In biochemistry, an antagonist acts against and blocks an action. For example, insulin lowers the level of…
- APL Abbreviation for acute promyelocytic leukemia, a malignancy of the bone marrow in which there is a deficiency…
- Autoinnoculation Inoculation of a microorganism obtained by contact with a lesion on one's own body, producing a secondary…
- Essential 1. Something that cannot be done without.2. Required in the diet, because the body cannot make it. As in an…
- Infection, Leishmania See: Leishmania infection
- Humoralism In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- CME Stands for Continuing Medical Education. CME programs are intended, literally, to continue the medical…
- LUL Acronym for the left upper lobe (of the lung). The left lung has but two lobes. The other lobe is naturally…
- CMT Charcot-Marie-Tooth disease
- Virus, attenuated To attenuate is to weaken or to make (or become) thin. The word derives from a combination of the Latin…
- CT, electron beam Also known as Ultrafast CT (computerized tomography), this is a new (and controversial) noninvasive test for…
- Gene, evolutionarily conserved A gene that has remained essentially unchanged throughout evolution. Conservation of a gene indicates that it…