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).
Perinatal
Pertaining to the period immediately before and after birth. The perinatal period is defined in diverse ways. Depending on the definition, it starts at the 20th to 28th week of gestation and ends 1 to 4 weeks after birth. The word…
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Show more- Wheal A raised, itchy (pruritic) area of skin that is almost always an overt sign of allergy. Not all wheals are…
- Drip In medical usage, a drip is not a dull, unattractive person but a device for administering a fluid…
- Bromism A disease caused by chronic exposure to bromine or one of its compounds. Bromism is characterized by mental…
- ERISA Employment Retirement Income Security Act. A US law enacted in 1974 which set up the ground rules for pension…
- Segmental arterial Doppler pressures A test that measures the blood pressures in the legs to make sure there is normal blood flow. The test is…
- Amebic dysentery Dysentery (inflammation of the intestine) with ulcers in the colon due to infection with an ameba (Entamoeba…
- Y chromosome infertility Male infertility with oligozoospermia (a subnormal number of sperm) or azoospermia (the absence of sperm)…
- Screening, kidney disease Screening (looking) for early kidney disease in people who are not already known to have it. Kidney disease…
- Cervical vertebra, second The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- Pompe disease A genetic (inherited) deficiency of an enzyme called acid alpha glucosidase. This enzyme helps the body break…
- Morton toe See: Morton's syndrome
- Inhalant 1. Generally, any breathable chemical vapor.2. Specifically, a psychoactive substance whose volatile vapors…