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).
Outer ear
There are three sections of the ear: the outer ear, the middle ear, and the inner ear. The outer ear looks complicated but it is functionally the simplest part of the ear. It consists of the pinna or auricle (the visible projecting portion…
Read the definitionRandom terms
Show more- Frontal bone The large bone that makes up the forehead and supplies the upper edge and roof of the orbit (eye socket). The…
- Pituitary, anterior The front portion of the pituitary, a small gland in the head called the master gland. Hormones secreted by…
- Public mourning The public display of grief. This may take many forms ranging from the very formal to the very informal, from…
- Neurosurgeon A physician trained in surgery of the nervous system and who specializes in surgery on the brain and other…
- Chronic disease A disease that persists for a long time. A chronic disease is one lasting 3 months or more, by the definition…
- Nasogastric Referring to the passage from the nose to the stomach. A nasogastric tube is one that is passed through the…
- Intolerance, food Difficulty in digesting a food. Common offenders include milk products, wheat and other grains that contain…
- Ovarian pregnancy An abnormal pregnancy that takes place within the ovary itself due to the development of a fertilized ovum…
- ASL American Sign Language
- San Joaquin Valley disease A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…
- Lyon hypothesis See Lyonization
- Cranial nerve, first The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge…