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).
Tricho- (prefix)
Pertaining to hair. As in trichobezoar (a hair ball), trichotillomania (compulsive hair pulling), trichoepithelioma (a tumor from a hair follicle), etc. From the Greek thrix, trichos, meaning hair. See also: Trich- (prefix)
Read the definitionRandom terms
Show more- Grief, unresolved See: Complicated grief
- Osteoarthropathy Any disease of the bones and joints. From osteo-, bone + -arthro-, joint, + pathy, disease
- Bursitis, calcific A bursa is a thin fluid-filled sac that reduces friction forces between tissues of the body. Chronic…
- Infection, pinworm An infection caused by a small, white intestinal worm: the pinworm or, more formally, Enterobius…
- ALMS1 A gene on chromosome 2p13. Alstrom syndrome is caused by mutation of ALMS1
- Fear of pain An abnormal and persistent fear of pain. The fear is excessive, beyond that which is expected under the…
- Nephrotomogram A series of special x-rays of the kidneys. The x-rays are taken from different angles. They show the kidneys…
- Bowel disease, inflammatory A group of chronic intestinal diseases characterized by inflammation of the bowel -- the large or small…
- Fever, shin bone Fever, shin bone: Called shin bone fever because it characteristically causes fever and pain in the legs…
- Blistering agent See: Vesicant
- Left-handed In popular usage, the leg extends from the top of the thigh down to the foot. However, in medical…
- Quickening The moment during pregnancy when the baby is first felt to move