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.
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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).
Primary teeth
The first teeth which are shed and replaced by permanent teeth. The first primary tooth comes in at about 6 months of age and the 20th and last primary tooth erupts at around 2 1/2 years of age. The primary teeth are replaced beginning…
Read the definitionRandom terms
Show more- Y sex-determining region A region on the Y chromosome that determines the sex of the individual. This region goes by the symbol SRY…
- Big bone disease See: Kashin-Beck disease
- Body habitus The physique or body build. For example: 'The metabolic complications most commonly reported (with HIV…
- Contact eczema, allergic Also called allergic contact dermatitis, this is a red, itchy, weepy reaction where the skin has come into…
- Thallium poisoning Poisoning with the element thallium which enters the environment primarily from coal-burning and smelting. It…
- Homosexual A person sexually attracted to persons of the same sex. Homosexuals include males (gays) and females…
- Sign of pregnancy See entry to: Pregnancy symptom
- Device, assistive Any device that is designed, made, and/or adapted to assist a person to perform a particular task. For…
- Stickler syndrome A relatively common genetic disorder characterized by very flexible (hyperextensible) joints, typical facial…
- Syndrome, Fahr This syndrome described in 1930 by T. Fahr is a genetic (inherited) neurological disorder characterized by…
- Fissure A cleft or groove. A fissure can be normal or abnormal. A fissure in the cerebral cortex is a normal feature…
- Day sight Night blindness. Listed in medical dictionaries under 'Nyctalopia' from the Greek 'nyct' (night) + 'aloas'…