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).
Excess selenium
Too much selenium (selenosis) which may cause reversible balding and brittle nails, give a garlic odor to the breath, and cause intestinal distress, weakness and slowed mental functioning. People who chronically consume more than the…
Read the definitionRandom terms
Show more- Anticholinergic The action of certain medications that inhibit the transmission of parasympathetic nerve impulses and thereby…
- Intrastromal corneal ring A plastic ring designed to be implanted in the cornea, the transparent structure in the front of the eye. The…
- Vaginal vestibule The vaginal opening is called the vestibule of the vagina. In medicine, a vestibule is a space or cavity at…
- Sterilization, female surgical Female surgical sterilization blocks (or removes part or all of) the fallopian tubes so the egg cannot travel…
- Acute lymphoblastic leukemia An acute (sudden onset), rapidly progressing form of leukemia that is characterized by the presence in the…
- Headache Headache: A pain in the head with the pain being above the eyes or the ears, behind the head (occipital), or…
- Lipitor See: Atorvastatin
- Metered-dose inhaler Abbreviated MDI. A device that delivers a measured amount of medication as a mist the patient can inhale. A…
- Celiac disease Celiac disease: A disorder resulting from an immune reaction to gluten, a protein found in wheat and related…
- Xen- (prefix) Foreign or other. As in: > >Xenoantigen -- An antigen that is found in more than one species. >Xenograft -- A…
- Posterior cruciate ligament (PCL) The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Tuberculosis, avian A type of tuberculosis affecting birds, caused by Mycobacterium avium, which may be communicated to other…