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).
Sarcoma botryoides
A malignancy of the cervix, vagina, or bladder in infants and young children that arises from embryonal rhabdomyoblasts (ancestral muscle cells). The tumor resembles a bunch of grapes. It has a generally good prognosis with conservative…
Read the definitionRandom terms
Show more- Aerobic exercise Brisk physical activity that requires the heart and lungs to work harder to meet the body's increased oxygen…
- Aphthous ulcer Aphthous ulcer: A small sensitive painful ulcer crater in the lining of the mouth. Commonly called a canker…
- Biopsy, sentinel-lymph-node See: Sentinel lymph node biopsy
- Positive, false A result that is erroneously positive when a situation is normal. An example of a false positive: a…
- Lung, collapsed Failure of full expansion of a once fully expanded lung. Medically called atelectasis. The word comes from…
- Rectum The last 6 to 8 inches of the large intestine. The rectum stores solid waste until it leaves the body through…
- Urinalysis Urinalysis: A test that determines the content of the urine. Because urine removes toxins and excess liquids…
- Hyperventilation Overbreathing. This can cause dizziness, lightheadedness, weakness, shortness of breath, a sense of…
- Motor neuron A neuron that sends electrical output signals to muscle neurons. Also called a motoneuron
- Rheumatism Rheumatism is an older term, used to describe any of a number of painful conditions of muscles, tendons…
- Antisense-strand RNA virus See: Negative-strand RNA virus
- Condom Although the word 'condom' usually refers to the male condom, there is also a female condom. Both male and…