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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Testicles
The testicles (also called testes or gonads) are the male sex glands. They are located behind the penis in a pouch of skin called the scrotum. The testicles produce and store sperm, and they are also the body's main source of male hormones…
Read the definitionRandom terms
Show more- MTX Abbreviation for methotrexate
- Erection, penile When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa…
- Left hepatic duct The duct that drains bile from the left half of the liver and joins the right hepatic duct to form the common…
- Migraine without aura See: Common migraine
- Phosphate A form of phosphoric acid. Calcium phosphate makes bones and teeth hard.
- Bather's eruption An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Big toe sign An important neurologic examination based upon what the big toe (and other toes) do when the sole of the foot…
- Aneurysm A localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is…
- Influenza, Hong Kong See: Hong Kong flu
- Facial nerve The facial nerve is the seventh cranial nerve. It is a mixed nerve that has fibers both going out and coming…
- Dermoid Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically…
- Counseling, genetic An educational counseling process for individuals and families who have a genetic disease or who are at risk…