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).
Headache
Headache: A pain in the head with the pain being above the eyes or the ears, behind the head (occipital), or in the back of the upper neck. Headache, like chest pain or back ache, has many causes. All headaches are considered primary…
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Show more- Beckwith-Wiedemann syndrome An overgrowth syndrome, whose clinical manifestations typically include macrosomia (large body size)…
- Clostridium botulinum A group of rod-shaped bacteria commonly found in the soil that grow best under low oxygen conditions. The…
- Diaphragm pacing A procedure to help patients with spinal cord injuries to breathe. Their breathing is helped by setting the…
- Trait, dominant lethal A genetic trait that, if present in the genome of the individual, is expressed and therefore precludes the…
- Tic A repetitive movement that is difficult, if not impossible, to control. Tics can affect any group of muscles…
- Rate, pulse The pulse rate is most often taken at the wrist. It measures the number of pulsations in the radial artery…
- Urethra The transport tube leading from the bladder to discharge urine outside the body. In males, the urethra…
- William Dobelle A genetic disorder characterized by mild mental retardation, unique personality characteristics, unusual…
- Chronic obstructive lung disease (COLD) Any disorder that persistently obstructs bronchial airflow. COLD mainly involves two related diseases --…
- Inspissate To thicken. Inspissated bile is thickened bile
- IU (international unit) An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- Sumycin See: Tetracycline