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.
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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).
Ear, internal
There are three sections of the ear. They are the external ear, the middle ear, and the internal ear. The internal ear is far and away the most highly complex. The essential component of the internal ear for hearing is the membranous…
Read the definitionRandom terms
Show more- Jamais vu From the French, meaning 'never seen'. The illusion that the familiar does not seem familiar. The opposite of…
- Cloning, cell The process of producing a group of cells (clones), all genetically identical, from a single ancestor.
- Syndrome, hemolytic uremic See: Hermansky-Pudlak syndrome.
- Naturalistic study A type of study in which the researcher very carefully observes and records some behavior or phenomenon…
- Premature birth A birth that takes place before 37 weeks of gestation have passed. Historically, the definition of…
- Serratus posterior inferior One of the serratus muscles of the back and thorax. The serratus posterior inferior muscle originates…
- Spider bites Bites from spiders. These are usually irritating, but not poisonous. Localized reddening and swelling are…
- X-ray 1. High-energy radiation with waves shorter than those of visible light. X-rays possess the properties of…
- US Department of Agriculture A department of the executive branch of the US government founded in 1862 by President Abraham Lincoln -- he…
- Karyotyping The preparation, analysis, and interpretation of a karyotype
- Phalangeal Pertaining to a phalanx (a bone in the finger or toe)
- Calor Heat, one of the four classic signs of inflammation (together with dolor, rubor and tumor). From the Latin…