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).
Spontaneous abortion
A miscarriage, that is, any pregnancy that is not viable (the fetus cannot survive) or in which the fetus is born before the 20th week of pregnancy. Spontaneous abortion occurs in at least 15-20% of all recognized pregnancies and usually…
Read the definitionRandom terms
Show more- Bone, occipital See: Occipital bone
- Breech The buttocks
- Reuptake The reabsorption of a secreted substance by the cell that originally produced and secreted it. The process of…
- Casals-Ariet See: Casals-Ariet, Jordi
- Cyclosporiasis Infection with the parasite Cyclospora cayetanensis. See: Cyclospora infection
- Hoarseness Hoarseness: Hoarseness is a term referring to abnormal voice changes. Hoarseness may be manifested as a voice…
- Ligaments, knee Ligaments are strong, elastic bands of tissue that connect bone to bone. They provide strength and stability…
- Heparin An anticoagulant (anti-clotting) medication. Heparin is useful in preventing thromboembolic complications…
- Bone, coccygeal The small tail-like bone at the bottom of the spine very near to the anus. The coccyx is made up of 3-5…
- Carcinoid tumor A tumor which secretes large amounts of the hormone serotonin. Carcinoid tumor is also called an…
- Clones, recombinant Clones containing recombinant DNA molecules.
- Commensal 1. Living in a relationship in which one organism derives food or other benefits from another organism…