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).
Spots in front of the eyes
Also known as 'floaters', blurry spots that drift in front of the eyes but do not block vision. The blur is the result of debris from the vitreous casting a shadow on the retina. The spot is the image formed by a deposit of protein…
Read the definitionRandom terms
Show more- Mast cell tumor A mastocytoma
- Enfeeble To make feeble or weaken. Years of chronic illness may leave someone enfeebled. The word enfeeble is not…
- Apnea, obstructive sleep Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes…
- Leiomyosarcoma A malignant tumor of smooth muscle origin. Smooth muscle is the major structural component of most hollow…
- Avastin The first drug in a new class designed to treat cancer by compromising its blood supply. Avastin…
- Polycystic ovary syndrome Abbreviated PCOS. Polcystic ovary syndrome is a condition in women characterized by irregular or no menstrual…
- Craniopagus Conjoined twins whose heads are fused together. From cranio-, relating to the cranium + the Greek pagos…
- Homicide 1. The killing of a person. 2. Strictly speaking, the killing of a man. femicide. From the Latin meaning…
- Disease, Alpers See: Alpers disease
- Flu Short for influenza. The flu is caused by viruses that infect the respiratory tract which are divided into…
- Breast, infiltrating ductal carcinoma of the Infiltrating lobular carcinoma is the second most common type of invasive breast cancer next to infiltrating…
- Ectrodactyly >transverse terminal aphalangia (absence of the last bone in the finger or toe), >adactylia (total absence of…