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).
Carboxyhemoglobin
Hemoglobin that has carbon monoxide instead of the normal oxygen bound to it. Carbon monoxide has a much great affinity than oxygen for hemoglobin. Carboxyhemoglobin is formed in carbon monoxide poisoning. The source of the carbon monoxide…
Read the definitionRandom terms
Show more- Aminotransferase An enzyme that catalyzes the transfer of an amino group from a donor molecule to a recipient molecule. The…
- Islet cell carcinoma See: Islet cell cancer
- Tamoxifen (Nolvadex) An antiestrogen (a drug that blocks the effects of estrogen) which competes with estrogen for binding sites…
- Omentectomy Surgery to remove part or all of the omentum, a fold of the peritoneum (the thin tissue lining the abdomen)…
- Vasectomy Vasectomy: A vasectomy is a surgical procedure designed to make a man sterile by cutting or blocking both the…
- RU-486 The French abortion pill, also known as mifepristone. RU-486 has been used in combination with another drug…
- Telemedicine The use of medical information exchanged from one site to another via electronic communications for the…
- PYY A hormone concerned with hunger and the lack of hunger (satiety). Soon after eating, PYY is secreted into the…
- Burning mouth syndrome An intense burning sensation on the tongue, often at the tip of the tongue. The burning mouth syndrome tends…
- Melanoma, amelanotic A form of melanoma in which the malignant cells (melanocytes) do not make the pigment melanin. Amelanotic…
- Intraocular melanoma An eye cancer in which the malignant cells arise in the part of the eye called the uvea. The uvea includes…
- Graft Healthy skin, bone, or other tissue taken from one part of the body to replace diseased or injured tissue…