MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Ulcer, peptic
A peptic ulcer is a hole in the lining of the stomach, duodenum, or esophagus. A peptic ulcer of the stomach is called a gastric ulcer, an ulcer of the duodenum is a duodenal ulcer, and a peptic ulcer of the esophagus is an esophageal…
Read the definitionRandom terms
Show more- Regurgitation A backward flowing. For example, of food. Or the sloshing of blood back into the heart (or between chambers…
- German measles vaccine A vaccine designed to prevent rubella, or German measles. German measles was once seen merely as a child's…
- Familial amyotrophic lateral sclerosis Amyotrophic lateral sclerosis (ALS) in which there a family history of the disease. Familial ALS constitutes…
- Phonosurgery Surgical procedures that maintain, restore, or enhance the human voice. Phonosurgery includes…
- Altitude, acclimatization to >The depth of respiration increases; >The pressure in the pulmonary arteries increases, forcing blood into…
- Motor neuron A neuron that sends electrical output signals to muscle neurons. Also called a motoneuron
- Sopor Abnormally deep sleep, an unusually profound sleep, a stupor from which it is difficult to rouse a person…
- Elbow The juncture of the long bones in the middle portion of the arm. The bone of the upper arm (humerus) meets…
- Pinched nerve See: Nerve compression
- Chronic daily headache See: Headache, chronic daily
- CSF 1. Cerebrospinal fluid.2. Colony-stimulating factor
- Menstruation, anovular Menstruation without ovulation. The egg stays within the ovary and usually disintegrates but sometimes it is…