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).
Hypertonia
Increased tightness of muscle tone. Untreated hypertonia can lead to loss of function and deformity. Treatment is by physical and/or occupational therapy, and in some cases muscle relaxant medication. Injections of botulism toxin (botox)…
Read the definitionRandom terms
Show more- Traumatic brain injury Brain damage from trauma. The three leading causes of death from traumatic brain injury relate to firearms…
- Glaucoma, normal pressure See: Glaucoma, normal tension
- Ferrocalcinosis, cerebrovascular A condition that was first described in 1930 by T. Fahr and is therefore sometimes called Fahr syndrome, this…
- Lavage Washing out. Gastric lavage is washing out the stomach, for example, to remove drugs or poisons
- Ultraviolet radiation Invisible rays that are part of the energy that comes from the sun. Ultraviolet radiation can burn the skin…
- Chloral hydrate A prescription sedative/hypnotic drug developed in the 19th century. The drug acts rapidly and induces sleep…
- Mycobacterium ulcerans The bacterium that causes Buruli ulcer. Mycobacterium ulcerans is a member of the family of bacteria that…
- Anterior pituitary The front portion of the pituitary, a small gland in the head called the master gland. Hormones secreted by…
- Aristolochia fangchi A Chinese herb that is injurious to the kidney and is also associated with an increased risk of cancer of the…
- Nirenberg See: Nirenberg, Marshall W.
- Cruciate ligament, anterior The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Mutation, acquired See: Acquired mutation.