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).
Tympanum
In anatomy, the drum of the ear, the eardrum, the tympanic membrane. The tympanum resembles the head of a tiny drum. It separates the middle ear from the external ear. Etymology: The Latin term 'tympanum auris' was introduced by Albertus…
Read the definitionRandom terms
Show more- Reactive oxygen species Species such as superoxide, hydrogen peroxide, and hydroxyl radical. At low levels, these species may…
- Infant water requirements Water is an important part of a baby's diet because water makes up a large proportion of the baby's body…
- Cyclospora infection Infection with Cyclospora cayetanensis, a single-celled parasite. The first known human cases of illness…
- Paronychia Inflammation of the folds of tissue surrounding the nail due to infection. The infection may be bacterial…
- Operation Although there are many meanings to the word 'operation', in medicine it refers to a surgical procedure. To…
- Uterine retroversion A slight to dramatic placement of the uterus that orients it toward the back. A tipped uterus is common and…
- Reabsorption Absorbing again. For example, the kidney selectively reabsorbs substances such as glucose, proteins, and…
- Polyclonal Derived from different cells. As opposed to monoclonal
- MPO Myeloperoxidase
- Port wine stain A mark on the skin that resembles port wine (porto) in its rich ruby red color. Due to an abnormal…
- Stickler syndrome, type II See: Stickler syndrome
- Klippel-Feil phenotype See: Klippel-Feil sequence