MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Malrotated ear
An ear that is slanted more than usual. Technically, an ear is slanted when the angle of the slope of the auricle is more than 15 degrees from the perpendicular. Slanted ears are considered a minor anomaly. The presence of 2 or more minor…
Read the definitionRandom terms
Show more- Inheritance Not something that is contained in a will, but rather a gene, chromosome or genome that is transmitted from…
- Five-day fever Fever: Also called trench fever, this is a disease borne by body lice that was first recognized in the…
- Synaptonemal complex A protein structure that forms between two homologous chromosomes during meiosis and that is thought to…
- Cushingoid Having the constellation of symptoms and signs caused by an excess of cortisol hormone: that is, Cushing…
- Ragged red fibers with CPEO See: Kearns-Sayre syndrome
- Papilla, cancer of Cancer of: Cancer of a structure called the papilla or ampulla of Vater, a small muscle located at the…
- PCL (posterior cruciate ligament) The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Histo Popular name for the fungus histoplasma. Also medical school slang for histology
- Cleidocranial dysostosis >Absent or incompletely formed collar bones (the 'cleido-' part refers to the clavicles, the collar bones)…
- Nipple, supernumerary An extra nipple. Supernumerary nipples are usually smaller than normal and vestigial (nonfunctional, without…
- Plasma The liquid part of the blood and lymphatic fluid, which makes up about half of its volume. Plasma is devoid…
- Prostate acid phosphatase (PAP) Prostatic acid phosphatase, an enzyme that is produced by the prostate (and other tissues) and that is…