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).
Hiatal hernia
Hiatal hernia: An anatomical abnormality in which part of the stomach protrudes up through the diaphragm into the chest. NTER> Normally, the esophagus passes down through the chest, crosses the diaphragm, enters the abdomen through a hole…
Read the definitionRandom terms
Show more- Dental impaction Teeth pressing together. For example, molar teeth (the large teeth in the back of the jaw) can be impacted…
- Bone, giant cell tumor of A tumor of bone characterized by massive destruction of the end (epiphysis) of a long bone. The site most…
- Antiretroviral An agent or process effective against a retrovirus. For example, a drug to treat HIV
- Cyclin One of a group of proteins that regulate the cell cycle. The cyclins bind to and activate cyclin-dependent…
- Gametophobia An abnormal and persistent fear of being married. Sufferers of gametophobia experience undue anxiety even…
- Sprain, ankle See: Ankle sprain
- Levonorgestrel A progestin. Named levonorgestrel because it is the levorotatory form of norgestrel. Used in combination with…
- Hyperexplexia A genetic disorder in which babies have an exaggerated startle reflex (reaction). This disorder was not…
- Coxsackie virus Coxsackie virus: See: Coxsackievirus.
- Octalene Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- Thyroglossal duct cyst Synonymous with a thyroglossal or thyrolingual cyst. See: Thyroglossal cyst
- Knockout Inactivation of specific genes. Knockouts are often created in laboratory organisms such as yeast or mice so…