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).
Day sight
Night blindness. Listed in medical dictionaries under 'Nyctalopia' from the Greek 'nyct' (night) + 'aloas' (obscure or blind) + 'opsis' (vision), the condition involves impaired vision in dim light and in the dark (but normal sight in…
Read the definitionRandom terms
Show more- Osteopenia Mild thinning of the bone mass, but not as severe as osteoporosis. Osteopenia results when the formation of…
- Disease, delta-storage pool See: Hermansky-Pudlak syndrome
- Explant 1. The original meaning: to transfer tissue from the body and place it in a culture medium for growth; and…
- Teratogen, warfarin as Warfarin as: The anticoagulant warfarin (COUMADIN) is a known teratogen, an agent that can disturb the…
- Anhidrotic Pertain to anhidrosis, too little sweating. Hidrosis meaning sweating, so an-, too little + hidrosis = too…
- Diagnosis, retrospective See: Retrodiagnosis
- Vein, small saphenous The smaller of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Antiprotozoal drug Something that destroys protozoa or inhibits their growth and ability to reproduce. A few of the protozoa of…
- Pustular psoriasis A type of recurring psoriasis characterized by the appearance of pus-filed pimples and sores in clusters. It…
- Gene product The RNA or protein that results from the expression of a gene. The amount of gene product is a measure of the…
- PARK1 Familial Parkinson disease type 3
- Varicella immunization See Chickenpox immunization