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).
Fear of thunder
An abnormal and persistent fear of thunder that causes undue anxiety even though sufferers realize that thunder itself poses no threat to them. When outdoors during a thunderstorm, they may suffer excessive anxiety. When indoors, they may…
Read the definitionRandom terms
Show more- Hyperosmolarity In biochemistry, an osmolar concentration of the body fluids that is abnormally increased
- Extremity The extremities in medical language are not freezing cold or scorching heat but rather the uttermost parts of…
- Photocoagulation The coagulation (clotting) of tissue using a laser which produces light in the visible green wavelength that…
- Bisphosphonate A class of drugs used to strengthen bone. Bone is in a constant state of remodeling, whereby new bone is laid…
- Euphenics Literally meaning 'normal appearing,' euphenics aims to improve the outcome of a genetic disease by altering…
- Nerve, sixth cranial The sixth cranial nerve is the abducent nerve, a small motor nerve that has one task: to supply a muscle…
- Branchial cyst Branchial cyst: Also called a branchial cleft cyst, this is a cavity that is a remnant from embryologic…
- Prostate cancer gene Prostate cancer gene: One of the genes that influences the origin and/or progression of prostate cancer…
- Poisoning, mercury The metallic element mercury is poisonous to humans. Mercury poisoning can occur in both acute and chronic…
- Alpha-glucosidase inhibitor A class of oral medications for type 2 diabetes that decrease the absorption of carbohydrates from the…
- Comedo The primary sign of acne consisting of a dilated (widened) hair follicle filled with keratin squamae (skin…
- Desquamation The shedding of the outer layers of the skin. For example, once the rash of measles fades, there is…