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).
Opportunistic infection
An infection that occurs because of a weakened immune system. Opportunistic infections are a particular danger for people with AIDS. The HIV virus itself does not cause death, but the opportunistic infections that occur because of its…
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Show more- Chiron In Greek mythology, the centaur who, wounded by Hercules, invented medicine in order to heal himself. Chiron…
- Organ A relatively independent part of the body that carries out one or more special functions. The organs of the…
- Intrafallopian A term meaning 'within the fallopian tube.' There are two fallopian tubes in female mammals, including human…
- Catecholamine Pronounced cat·e·chol·amine. An amine derived from the amino acid tyrosine -- examples include epinephrine…
- Arrhythmias, rapid Abnormally rapid heart rhythms, medically termed tachycardia
- Continuous positive airway pressure See: CPAP.
- Test, FTA-ABS FTA-ABS stands for fluorescent treponemal antibody absorbed, a blood serum screening test for syphilis…
- Midwife, certified professional See: Certified professional midwife
- Arterial tension The pressure of the blood within an artery, the arterial pressure. Also called the intra-arterial pressure
- Tympanostomy tube A small plastic tube inserted into the eardrum to keep the middle ear aerated for a prolonged period of time…
- Phlebotomy Obtaining blood from a vein. In the old days, this was done by incising (cutting) a vein and just letting the…
- Immunization, MMR The standard vaccine given to prevent measles, mumps and rubella (German measles). The MMR vaccine is now…