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.
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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).
RDIs (Reference Daily Intakes)
Formerly known as hyaline membrane disease, a syndrome of respiratory difficulty in newborn infants caused by a deficiency of a molecule called surfactant. RDS almost always occurs in newborns born before 37 weeks of gestation. The more…
Read the definitionRandom terms
Show more- Morbid jealousy See: Othello syndrome
- Hemoglobin normal values Hemoglobin is the oxygen-carrying pigment in the blood, the predominant protein in the red blood cells. In…
- Heparin, low-weight A newer form of the drug heparin (brand name: Lovenox, Fragmin) that has a lower molecular weight than normal…
- Assisted suicide Suicide: The deliberate hastening of death by a terminally ill patient with assistance from a doctor, family…
- Pediatric Pertaining to children
- Giant intestinal fluke Fasciolopsis buski. See: Fasciolopsis
- Test, visual acuity This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart…
- Hemolysis The destruction of red blood cells which leads to the release of hemoglobin from within the red blood cells…
- Parotid gland The largest of the three major salivary glands, it is located in front and below the ear and behind the jaw…
- Food insecure When people must live with hunger and fear starvation
- Managed care Any system that manages healthcare delivery with the aim of controlling costs. Managed care systems typically…
- Eczema, contact A localized reaction that includes redness, itching, and burning where the skin has come into contact with an…