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).
Drusen
Tiny yellow or white deposits in the retina of the eye or on the optic nerve head. The presence of drusen is one of the most common early signs of age-related macular degeneration (AMD. The eye care specialist can see drusen during an eye…
Read the definitionRandom terms
Show more- Dysplasia, thanatophoric A form of short-limbed (micromelic) dwarfism that usually causes death within the first few hours after…
- Vallecula An anatomic term for a crevice, furrow or depression. There are a variety of valleculae including one in the…
- VCU Voiding cystourethrography. Or voiding cystourethrogram
- High-grade lymphoma A lymphoma that grows and spreads quickly but has a better response to anticancer drugs than that seen with…
- Female orgasmic dysfunction Failure of a female to achieve an orgasm (climax) during sexual intercourse. This disorder can originate in…
- Prothrombin mutation G20210A A common genetic risk factor for thrombosis (clots) including deep venous thrombosis (DVT). This mutation in…
- Mumps in pregnancy Mumps vaccination is not recommended during or shortly before pregnancy because it is a live attenuated…
- Hammer toe A flexed (curled) but not abnormally rotated toe. May require surgical correction
- Drug test An examination of biologic material (such as urine, hair, saliva, or sweat) to detect the presence of…
- Hematology-oncology The diagnosis, treatment and prevention of blood diseases (hematology) and cancer (oncology) and research…
- Passage, nasal The walls of the nasal passages are coated with respiratory mucous membranes which contain innumerable tiny…
- Paprika A spicy seasoning ground from a variety of sweet red pepper (Capsicum annuum), the original source of vitamin…