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).
Immunization, HIB
This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria responsible for a range of serious 'invasive' diseases including meningitis with potential brain damage and epiglottitis with…
Read the definitionRandom terms
Show more- Tooth root sensitivities Oversensitivity of exposed roots of teeth to cold, hot, and sour foods because those roots are no longer…
- Pathologic fracture A bone broken, not by trauma alone, but so weakened by disease as to break with abnormal ease. Pathologic…
- Bone, heel A somewhat rectangular bone at the back of the foot. The words 'calcaneus' and 'calcium' are related…
- Interphase The interval in the cell cycle between two cell divisions when the individual chromosomes cannot be…
- Acute stress disorder The anxiety and behavioral disturbances that develop within a month of exposure to extreme trauma. The…
- Labor Childbirth, the aptly-named experience of delivering the baby and placenta from the uterus to the vagina to…
- NHLBI Stands for the National Heart, Lung, and Blood Institute, one of the National Institutes of Health in the…
- Antigenic drift A mechanism for variation by viruses that involves the accumulation of mutations within the antibody-binding…
- Test, rapid strep A diagnostic test commonly used to demonstrate whether streptococcus bacteria ('strep') are present in the…
- Cleft lip The presence of one or two vertical fissures (clefts) in the upper lip -- cleft lip can be on one side only…
- Butterbur A waterside plant with purple flowers and large soft leaves in which pats of butter were once wrapped during…
- Vitamin B1 Thiamine. Vitamin B1 (thiamine) acts as a coenzyme in the metabolism of the body. Deficiency of thiamine…