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).
Fetal circulation
The blood circulation in the fetus before birth. Before birth, the blood from the heart headed for the lungs in the aptly named pulmonary artery is shunted away from the lungs and returned to the greatest of arteries, the aorta. This…
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Show more- Oogonium A female ancestral germ cell that divides several times to give rise to an oocyte that, in turn, develops…
- Fear of crossing bridges An abnormal and persistent fear of crossing bridges. Sufferers of this phobia experience undue anxiety even…
- Syndrome, temporomandibular joint Disorder of the temporo-mandibular joint (TMJ) causing pain usually in front of the ear. Pain in the TMJ can…
- Apophysitis calcaneus Also called Sever's condition, this disorder is due to inflammation of the growth plate of the calcaneus, the…
- Family, extended See: Extended family
- Shoulder dislocation Displacement of the ball of the shoulder joint (the top rounded portion of the upper arm bone, or humerus)…
- SPF Protection factor): A number on a scale for rating sunscreens. SPF stands for Sun Protection Factor. SPF…
- Joint, shoulder The shoulder has two main bones: the scapula (the shoulder blade) and the humerus (the long bone of the upper…
- Postoperative care Care given after surgery until the patient is discharged from the hospital or surgicenter and, in some cases…
- Reverse transcriptase The enzyme that permits the human immunodeficiency virus (HIV) and other retroviruses to use their viral RNA…
- Gastroesophageal reflux The return of stomach contents back up into the esophagus This frequently causes heartburn because of…
- Zhong Wei Chen See: Chen, Zhong Wei