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).
Stem cell transplantation
The use of stem cells as a treatment for cancer or other diseases: > >The stem cells are removed (or obtained) from a donor. >Before a transplant is done for cancer, the patient receives high-dose chemotherapy and/or radiation to destroy…
Read the definitionRandom terms
Show more- Visceral Referring to the viscera, the internal organs of the body, specifically those within the chest (as the heart…
- End-of-life assistant See: Doula (the second meaning)
- Congenital achromatopsia, Pertaining to the conjunctiva, the clear moist membrane that covers the inner surfaces of the eyelids and the…
- Inappropriate ADH secretion A syndrome of inappropriate secretion of antidiuretic hormone (ADH) which results in the inability to put out…
- Myelogram An x-ray of the spinal cord and the bones of the spine. During a myelogram, a contrast material that is…
- Endometrial biopsy Endometrial biopsy: A procedure for sampling the lining of the uterus (the endometrium). Endometrial biopsy…
- Deficiency, vitamin K A lack of vitamin K resulting in an increase in the clotting time of the blood, impaired clotting and a…
- Tympanic membrane Just the ear drum
- Stroke Stroke: The sudden death of some brain cells due to a lack of oxygen when the blood flow to the brain is…
- Thrombophilia The tendency to form blood clots (thrombosis). The clots can break off, travel through the bloodstream and…
- Cyst, synovial, of the popliteal space A swelling in the space behind the knee (the popliteal space). The swelling is composed of a membrane-lined…
- Blighted ovum A fertilized ovum (egg) that did not develop or whose development ceased at an early stage, before 6 or 7…