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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Anemia, addisonian
Anemia, addisonian: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the substance in the stomach that allows the body to absorb vitamin B12. This substance is called intrinsic factor (IF)…
Read the definitionRandom terms
Show more- Teratoma, ovarian Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically…
- Edentulous Being without teeth. Complete loss of all natural teeth can substantially reduce quality of life, self-image…
- RVF 1. Rift Valley fever, the disease and the virus that causes it.2. Right ventricular failure, failure of the…
- Angina, variant Angina, variant: Chest pain due to coronary artery spasm, a sudden constriction of a coronary artery (one of…
- Ileus Obstruction of the intestine due to it being paralyzed. The paralysis does not need to be complete to cause…
- Klippel-Feil sequence Short neck, low hairline at the nape of the neck and limited movement of the head. Klippel-Feil sequence is…
- R/O Medical abbreviation for rule out
- Durable power of attorney This is a type of advance medical directive in which legal documents provide the power of attorney to another…
- Benign prostatic hyperplasia See: Benign prostatic hyperplasia.
- Monosodium glutamate MSG, a sodium salt of the amino acid glutamic acid that enhances the flavor of certain foods. Originally…
- Acellular vaccine A vaccine that may contain cellular material but does not contain complete cells
- Sample, random A group selected randomly, solely by chance