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).
Hypocalcemia
Lower-than-normal blood calcium. Low blood calcium makes the nervous system highly irritable with tetany (spasms of the hands and feet, muscle cramps, abdominal cramps, and overly active reflexes). Chronic hypocalcemia contributes to poor…
Read the definitionRandom terms
Show more- Poikiloderma Extra pigmentation of the skin demonstrating a variety of shades and associated with widened capillaries…
- Quotidian Recurring each day, as in a fever that returns every day. From the Latin 'quotidianus' meaning 'daily.' (In…
- Cyclin E A protein that is part of a molecular network that controls the cell cycle. There are a large number of…
- Abuse, elder See: Elder abuse
- Radioactive iodine An isotope of the chemical element iodine that is radioactive. Radioactive iodine is used in diagnostic tests…
- Diving injury An injury incurred from diving into water that is too shallow or has hidden hazards. These injuries may be to…
- Gastrostomy, percutaneous endoscopic (PEG) A surgical procedure for placing a feeding tube without having to perform an open laparotomy (operation on…
- Cutaneous syndactyly A condition in which fingers or toes are joined together, and the joining involves only the skin, not the…
- Locoregional metastasis Metastasis (spread) of a cancer only within the region in which it arose. In contrast to systemic metastasis
- Dr. Joseph Moscati See: Moscati, St. Joseph
- Ventricle, brain >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres. Each lateral ventricle consists…
- Acute epiglottitis A very rapidly progressive infection causing inflammation of the epiglottis (the flap that covers the…