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).
Micro-RNA
A tiny piece of RNA, about 21 to 23 bases in length, that binds to matching pieces of messenger RNA to make it double-stranded and decrease the production of the corresponding protein. Micro-RNA's were first discovered in the roundworm C…
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Show more- Anaphylaxis Anaphylaxis: Allergic reaction. In severe cases, this can include potentially deadly anaphylactic shock.
- Mercaptopurine A drug that acts as an antimetabolite, interfering with the metabolism of purine bases and inhibiting the…
- Bottlefeeding The use of a substitute for breast milk for feeding infants. Pediatricians generally advise exclusively…
- Juvenile chronic myelogenous leukemia See: Juvenile myelomonocytic leukemia
- Skin graft, autogenic A graft using the patient's own skin. Also known as an autologous graft.
- Fibrin The protein formed during normal blood clotting that is the essence of the clot.
- Eye, dry See: Dry eye
- Postoperative care Care given after surgery until the patient is discharged from the hospital or surgicenter and, in some cases…
- Choanal atresia Blockage of the choana, the passageway from the back of one side of the nose to the throat. The choana is…
- Navel The umbilicus, the former site of attachment of the umbilical cord, usually found in about the middle of the…
- Natural killer cell A cell that can react against and destroy another cell without prior sensitization to it. Natural killer (NK)…
- Nail lines See: Beau's lines