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).
Differential diagnosis
The process of weighing the probability of one disease versus that of other diseases possibly accounting for a patient's illness. The differential diagnosis of rhinitis (a runny nose) includes allergic rhinitis (hayfever), the abuse of…
Read the definitionRandom terms
Show more- Draft DNA sequence Sequence of a DNA with less accuracy than a finished sequence. In a draft sequence, some segments are missing…
- Cervical dysplasia Changes from normal in the cells lining the cervix of the uterus. Cervical dysplasia involves a sequence of…
- Leg, ankle and foot bones There are 62 lower extremity bones. They consist of 10 hip and leg, 14 ankle and 38 foot bones. > >The 10 hip…
- Postoperative hemorrhage Bleeding after a surgical procedure. The hemorrhage may occur immediately after the surgery or be delayed. It…
- NIOSH The National Institute for Occupational Safety and Health, a US Federal agency responsible for conducting…
- Smad3 A protein in a pathway that helps prevent tumors. Smad3 is a player in a cellular network relay system called…
- Circular breathing Inhaling through the nose and inflating the cheeks and neck with air at the same time. Some saxophone players…
- Paragonimus infection See: Paragonimiasis
- Central nervous system, spongy degeneration of the Also called Canavan disease, this is a severe progressive fatal inherited (genetic) disorder of the central…
- Trypanosomiasis, American See: Chagas disease.
- Intervertebral foramen An opening between vertebrae through which nerves leave the spine and extend to other parts of the body. Also…
- Scaling Abnormal shedding or accumulation of an upper layer of skin (the stratum corneum)