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).
Transplantation, cross-species
A new technique in which stem cells are obtained from a patient's blood and used in bone marrow transplantation. Stem cells are small, round cells with a squat nucleus and scant surrounding cytoplasm. Although unremarkable in appearance…
Read the definitionRandom terms
Show more- Intraocular In the eye. The intraocular pressure is the pressure within the eye
- MAO inhibitor Monoamine oxidase inhibitor. One of a potent class of medications used to treat depression.
- Catalyst A substance that speeds up a chemical reaction but is not consumed or altered in the process. Catalysts are…
- Endocervical curettage The removal of tissue from the inside of the cervix using a spoon-shaped instrument called a curette
- Mastocytosis A condition characterized by infiltration of mast cells into the tissues of the body. Mast cells are…
- Gram (measure) A unit of measurement of weight and mass in the metric system. In weight, a gram is equal to a thousandth of…
- Vitamin O Not a true vitamin but rather a pricey health supplement that is composed largely of salt water (plus some…
- Mitotic nondisjunction The failure in mitosis for the two members of a chromosome pair to separate (to disjoin) normally so that…
- Dumdum fever Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs)…
- Third stage of labor The part of labor from the birth of the baby until the placenta (afterbirth) and fetal membranes are…
- Anaphylactoid purpura See: Schonlein-Henoch purpura
- Dobelle, William H. (1941-2004) Pioneer designer of an experimental system of artificial vision for the blind involving the…