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).
Hamartoma, hypothalamic
A benign tumor of the hypothalamus, the area of the brain that controls body temperature, hunger, and thirst. (In technical terms, the hypothalamus lies beneath a structure known as the thalamus and forms the floor of the third ventricle…
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Show more- Chocolate A food or flavoring made from the seeds of the cacao or chocolate tree. Chocolate is rich in flavinoids…
- Beta carotene A vitamin that acts as an antioxidant, protecting cells against oxidation damage. Beta carotene is converted…
- Water channel See: Aquaporin
- Disease, Chagas See: Chagas disease.
- Orifice An opening. The mouth for example is an orifice.
- Adult T-cell lymphoma See: Adult T-cell leukemia
- Sabin vaccine The oral polio vaccine developed by Dr. Albert S. Sabin. The first vaccine against poliomyelitis was…
- Alopecia capitis totalis Loss of all of the scalp hair. Alopecia means baldness and capitis refers to the head. Alopecia capitis…
- Epiretinal membrane A thin membrane that covers the sclera (the white of the eye). "Epi-" is a prefix from the Greek that means…
- Lateral collateral ligament (LCL) of the knee The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- SRAS Syndrome respiratoire aigu severe (in French). In English, severe acute respiratory syndrome or SARS
- Cephalic Relating to the head or the head end of the body. Situated on, in, or near the head. Cephalic is synonymous…