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).
Narcotic
1. A drug that causes insensibility or stupor. A narcotic induces narcosis, from the Greek 'narke' for 'numbness or torpor.'2. A drug such as marijuana which is subject to regulatory restrictions comparable to those for addictive narcotics
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Show more- Trichinosis Trichinosis: See: Trichinellosis.
- Thalassemia minor Also called thalassemia trait, thalassemia minor is the carrier state for beta thalassemia. People who are…
- Hormone, parathormone Hormone made by the parathyroid gland (behind the thyroid gland in the neck). Parathormone (pronounced…
- Balantidium A genus of protozoa with cilia that includes Balantidium coli (B. coli). B. coli is the largest protozoan and…
- Termination codon See: Stop codon
- Tension, intraocular The pressure within the eye
- Designer steroid A synthetic steroid derived by simple chemical modification from another steroid, usually an anabolic…
- Unicellular Consisting of one cell only. Some organisms, such as bacteria, are unicellular. Unicellular is in contrast to…
- Uterine lining The inner layer of the uterus (womb); the cells that line the womb; anatomically termed the endometrium. This…
- Emergency contraception The prevention of pregnancy after unprotected vaginal intercourse. Emergency contraception may use drugs…
- Viral myocarditis See: Myocarditis, viral
- Hyperglycemic response A response resulting in a high blood sugar and specifically elevating the level of the sugar glucose in the…