MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Adjuvant
The Latin 'adjuvans' means to help, particularly to reach a goal. Adjuvant therapy for cancer is surgery followed by chemotherapy or radiation to help decrease the risk of the cancer recurring (coming back). An adjuvant is a substance that…
Read the definitionRandom terms
Show more- Typhoon supplies kit One of a group of acute infections caused by rickettsiae, transmitted by arthropods (lice, fleas, mites), and…
- Thyroiditis, autoimmune See: Hashimoto thyroiditis
- Objective In a microscope, the objective (also called the objective lens) is the lens nearest to the object being…
- Premenstrual syndrome Premenstrual syndrome: A combination of physical and mood disturbances that occur in the last half of a…
- Othello psychosis See: Othello syndrome
- Needlestick injury A penetrating stab wound from a needle (or other sharp object) that may result in exposure to blood or other…
- QHC Qualified health claim
- Heterotrisomy Trisomy of different chromosomes. The occurrence of two children in the same family, one with trisomy 18 and…
- Interventional radiology (IR) Rventional radiologists employ image guidance methods to gain access to the deep interstices of most organs…
- Prophylactic A preventive measure. The word comes from the Greek for 'an advance guard,' an apt term for a measure taken…
- Uracil (U) A nucleotide base and one member of the A-U (adenine-uracil) base pair in RNA. The other base pair in RNA is…
- Cyclin E A protein that is part of a molecular network that controls the cell cycle. There are a large number of…