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).
Phenolphthalein
A compound used as a laboratory reagent and acid-base indicator and also used in over-the-counter (OTC) laxative preparations. Phenolphthalein may be a carcinogen (cancer-causing agent). Feeding of phenolphthalein caused cancer in multiple…
Read the definitionRandom terms
Show more- Carbon dioxide A gas which is the byproduct of cellular metabolism and which collects in the tissues, is cleared from the…
- Bereavement The period after a loss during which grief is experienced and mourning occurs. The time spent in a period of…
- Ankle bone The ankle bone is termed the talus. It is the bone of the foot that joins the tibia and fibula to form the…
- Pterygium A winglike triangular membrane. Although a pterygium can be anywhere, including behind the knee, it commonly…
- Creatinine A chemical waste molecule that is generated from muscle metabolism. Creatinine is produced from creatine, a…
- Nerve, spinal One of the nerves that originates in the spinal cord. There are 31 pairs of spinal nerves. They consist of…
- Citrovorum factor See: Leucovorin
- Subway diet: The Subway diet is a weight loss plan popularized in 2004 by Jared Fogle, who claims that he lost over 245…
- Pregnancy, tubal An ectopic pregnancy that takes place in the Fallopian tube. Tubal pregnancies are due to the inability of…
- Factor VIII Factor eight, a key factor in the process of blood coagulation (clotting). Lack of normal factor VIII causes…
- Lipomatosis, multiple symmetric A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper…
- CD8+ T cell See: Cytotoxic T-lymphocyte