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).
Urethritis
Inflammation of the urethra. (The urethra is the transport tube leading from the bladder to discharge urine outside the body.) Urethritis can be due to several causes, including sexually transmitted diseases such as Chlamydia, or…
Read the definitionRandom terms
Show more- C. elegans Caenorhabditis elegans, a roundworm
- Antispasmodic 1) A medication that lowers the incidence of or prevents seizures. 2) A medication that lowers the incidence…
- Th1 A distinct type of T-helper cell. See: T-helper cell
- Gigantism, eunuchoid Extremely tall stature due to the delayed onset of puberty which permits the continued growth of the long…
- Dual energy X-ray absorptometry Abbreviated DEXA. See: DXA
- Poisoning, mercury The metallic element mercury is poisonous to humans. Mercury poisoning can occur in both acute and chronic…
- Dengue Also known as Dengue fever, an acute mosquito-borne viral illness of sudden onset that usually follows a…
- AChE (acetylcholinesterase) Abbreviation for acetylcholinesterase. See: Acetylcholinesterase
- Paragonimus infection See: Paragonimiasis
- Optic nerve The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina, the…
- Melancholia Old term for depression.
- Polycentric Having two or more centers. Polycentric disease is usually referred to as multicentric disease. See also…