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).
Ed Lewis
Estimated date of confinement, the estimated calendar date when the baby will be born.
Read the definitionRandom terms
Show more- Membrane attack complex Abbreviated MAC. An abnormal activation of the complement (protein) portion of the blood, forming a cascade…
- IVF In vitro fertilization, a laboratory procedure in which sperm are placed with an unfertilized egg in a Petri…
- Heroin Semisynthetic drug derived from morphine. Discovered in 1874, it was introduced commercially in 1898 by the…
- Acquired immunity Immunity acquired by infection or vaccination (active immunity) or by the transfer of antibody or lymphocytes…
- Essential tremor Uncontrollable shaking (tremor) of the hands and head and sometimes other parts of the body. Essential tremor…
- Lipitor See: Atorvastatin
- Nucleocaspid The genome plus the protein coat of a viral. The genome is nucleic acid. The protein coat is the capsid. The…
- Fournier's gangrene Gangrene: A horrendous infection of the genitalia that causes severe pain in the genital area (in the penis…
- Leaded gasoline See: Tetraethyl lead
- Angina, exudative Angina, exudative: This has nothing whatsoever to do with the usual type of angina (angina pectoris) which is…
- Alexia A neurological disorder characterized by loss of the ability to read or understand the written word. Alexia…
- Gene product The RNA or protein that results from the expression of a gene. The amount of gene product is a measure of the…