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).
Crib death
The sudden and unexpected death of a baby with no known illness, typically affecting infants from 2 weeks to 6 months of age while sleeping. Crib death is now called Sudden Infant Death Syndrome (SIDS). Babies at an increased risk for SIDS…
Read the definitionRandom terms
Show more- Oligospermia Fewer sperm than normal. Azoospermia, by contrast, means absolutely no sperm at all.
- Sweat test A simple test that is used to evaluate a patient who is suspected of having cystic fibrosis (CF). The goal of…
- Disease, Alpers See: Alpers disease
- Hyposmia A reduced ability to smell and to detect odors. Some people have anosmia and can detect no odors
- Barium swallow An upper gastrointestinal series (barium swallow) is an X-ray test used to define the anatomy of the upper…
- Cancer, prostate Cancer of the gland that produces some of the components of semen fluid. Prostate cancer is the second…
- Acid, folic One of the B vitamins that is a key factor in the synthesis (the making) of nucleic acid (DNA and RNA). A…
- D and C Stands for dilatation and curettage. This is a very common gynecologic procedure in which the cervix of the…
- Synapse The point of connection usually between two nerve cells. Specifically, a synapse is a specialized junction at…
- Dysphagia Difficulty in swallowing, swallowing problems. Dysphagia is due to problems in nerve or muscle control. It is…
- Fever, Rift Valley See: Rift Valley fever
- Enema, barium See: Barium enema