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).
Perspiration
1) The secretion of fluid by the sweat (sudoriferous) glands. These small, tubular glands are situated within the skin, as well as in the subcutaneous tissue under it. They discharge their fluid through tiny openings in the surface of the…
Read the definitionRandom terms
Show more- Altitude, acclimatization to >The depth of respiration increases; >The pressure in the pulmonary arteries increases, forcing blood into…
- Ophthalmic artery The ophthalmic artery supplies blood to the eye and adjacent structures of the face. It arises from the…
- Gray's Anatomy A book entitled 'Anatomy Descriptive and Surgical' by Henry Gray appeared in 1858. Little could Dr. Gray have…
- NIDA Stands for the National Institute on Drug Abuse, one of the National Institutes of Health in the U.S., whose…
- Electrophysiologic testing of the retina See: Electrophysiologic retinal testing
- BP Commonly used abbreviation for blood pressure. On a medical chart, you might see 'BP90/60 T98.6 Ht60/reg…
- Single upper palm crease See: Simian crease
- Diastole The time period when the heart is in a state of relaxation and dilatation (expansion). The final letter in…
- Trichinella spiralis The worm that causes trichinosis. Trichinella spiralis larvae can infest pigs and wild game, hibernating in…
- Agent, antihypertensive As the name suggests, a drug aimed at reducing high blood pressure (hypertension)
- Lancet See: Lancing device.
- Ectodermal dysplasia A genetic disorder in which there is abnormal development of the skin and associated structures (the hair…