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).
Situational syncope
The temporary loss of consciousness in a particular kind of situation. The situations that trigger this reaction are diverse, and include having blood drawn, straining while urinating or defecating, and coughing. It can also be due to the…
Read the definitionRandom terms
Show more- Height growth See: Normal growth
- Informatics The application of computers and statistics to the management of information. For example, in the Human…
- Paraphimosis A condition in which the foreskin of the penis, once retracted, cannot return to its original location. The…
- Melanin A skin pigment (substance that gives the skin its color). Dark-skinned people have more melanin than light-…
- Foreskin, inflammation of the Inflammation of the foreskin of the penis (the prepuce) is called posthitis. In the uncircumcised male…
- Vaccination, infectious hepatitis See Immunization, hepatitis A.
- Angle-closure glaucoma This condition can be acute or chronic. It consists of increased pressure in the front chamber (anterior…
- Gulf War syndrome A highly controversial syndrome involving a constellation of illnesses experienced by 5,000 to 80,000…
- MS/MS Abbreviation for tandem mass spectrometry. See: Tandem mass spectrometry
- Explant 1. The original meaning: to transfer tissue from the body and place it in a culture medium for growth; and…
- Infection, acute HIV The body's initial reaction to infection by the HIV virus. Acute HIV infection is a flu-like syndrome that…
- Audiology The study of hearing.