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).
Oral contraceptive
A birth control pill taken by mouth. Most oral contraceptives include both estrogen and progesterone. When given in certain amounts and at certain times in the menstrual cycle, these hormones prevent the ovary from releasing an egg for…
Read the definitionRandom terms
Show more- Contraceptive, injectable progestin Injectable progestin (Depo-Provera) was approved by the U.S. Food and Drug Administration (FDA) for…
- Berylliosis Beryllium poisoning. See: Beryllium
- Estrogens Female hormones produced by the ovaries. Estrogen deficiency can lead to osteoporosis. Estrogen therapy…
- Glass eye 1. A globe of glass that looks like and is intended to replace the eyeball.2. By extension, a real eye that…
- PET scan The popular name (and abbreviation) of Positron Emission Tomography
- Cancer cluster A greater-than-expected number of cancer cases that occurs within a group of people in a geographic area over…
- Orthoscopic Having correct vision or producing it. Orthoscopic, in other words, is free from optical distortion or…
- Maple syrup urine disease Hereditary disease due to deficiency of an enzyme involved in amino acid metabolism, characterized by urine…
- Minor salivary gland A small gland which produces saliva. There are numerous minor salivary glands distributed within the mouth…
- Proximal white subungual onychomycosis The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is…
- DLI Donor lymphocyte infusion
- Adult T-cell leukemia Abbreviated ATL. A malignancy of mature T lymphocytes (T cells) with its onset in adulthood caused by…