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).
Hyperextensible
Unusually capable of being extended and stretched. Hyperextensible skin is a feature of Ehlers-Danlos syndrome
Read the definitionRandom terms
Show more- Onychodystrophy Malformation of the nails
- Y. pestis Yersinia pestis, the bacteria that causes the bubonic plague which in the year 541 (as the Black Death) and…
- Hygiene theory See: Hygiene hypothesis
- Hibernation reaction See: SAD
- Carbohydrates Mainly sugars and starches, together constituting one of the three principal types of nutrients used as…
- Fear of bridges An abnormal and persistent fear of bridges, especially crossing bridges. Sufferers of this phobia experience…
- Baylisascaris Infection by the raccoon roundworm. Baylisascaris procyonis is found commonly in raccoons. When infective…
- Imbricate Overlapping like shingles or tiles on a roof. The scales on a snake are imbricate. From the Latin imbricatus…
- Rape, date Rape of a woman by a man with whom she is acquainted. The rapist is usually the woman's 'date' (escort)…
- Abiotrophy Loss of function or degeneration for reasons unknown. For example, cerebellar abiotrophy may affect…
- Thyroxine Abbreviated T4. A hormone made by the thyroid gland that has four iodine molecules attached to its molecular…
- Facultative 1. In general, not obligatory but rather capable of adapting to different conditions. The opposite of…