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).
Sepsis, neonatal
A serious blood bacterial infection in an infant less than 4 weeks of age. Babies with sepsis may be listless, overly sleepy, floppy, weak, and very pale
Read the definitionRandom terms
Show more- Leukocoria A white pupillary reflex. When one shines a bright light on the pupil, it normally appears red. In…
- Avery, Oswald Theodore (1877-1955) Distinguished Canadian-American bacteriologist and research physician and one of the founders of…
- Separation anxiety disorder Excessive anxiety concerning separation from home or from those to whom a child is attached. The child may…
- True rib One of the first 7 pairs of ribs. A rib is said to be 'true' if it attaches to the sternum (the breast bone)…
- Gland, exocrine See: Exocrine gland
- Hepatitis, non-A, non-B The old name for hepatitis C when the causative virus had not been identified but it was known not to be…
- Encephalitis, flavivirus See: Flavivirus encephalitis
- Helmet, bicycle A well-known but often neglected device designed to protect the head of a bicyclist. Helmets decrease the…
- Sclerosis Localized hardening of skin
- Medication, beta-blocker Drugs that antagonize the action of adrenaline (a beta adrenergic substance) and relieve stress to the heart…
- Syndrome, patellofemoral (PFS) The commonest cause of chronic knee pain, PFS characteristically causes vague discomfort of the inner knee…
- Redux See: Dexfenfluramine