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).
Masseter
The muscle that raises the lower jaw.
Read the definitionRandom terms
Show more- Supinator foot type A type of foot that restricts the impact of the stride largely to the outer edges of the foot. This type of…
- Ramus of the mandible One of the two prominent, projecting back parts of the horseshoe-shaped lower jaw bone
- Opium An addictive narcotic drug derived from the unripe seedpods of the opium poppy. Preparations of opium were…
- Jaundice, neonatal Yellowish staining of the skin and whites of the newborn's eyes (sclerae) by pigment of bile (bilirubin). In…
- X (in genetics) Although the letter X can be used as a symbol in various ways (such as with X-rays, the X-axis of a graph…
- Reverse transcriptase The enzyme that permits the human immunodeficiency virus (HIV) and other retroviruses to use their viral RNA…
- Syndrome, Aase-Smith II See: Aase-Smith syndrome II
- Resin, bile acid Bile acid resins are substances that bind in the intestines with bile acids that contain cholesterol and are…
- Tube, ear A small plastic tube inserted into the eardrum to keep the middle ear aerated for a prolonged period of time…
- Thyroid scan Thyroid scan: An image taken of the thyroid gland after radioactive iodine is taken by mouth. The thyroid…
- Rib, fluctuating One of the last two ribs. A rib is said to be 'fluctuating' if it does not attach to the sternum (the breast…
- Interleukin-3 A protein that stimulates the immune system to develop mast cells and bone-marrow cells. Abbreviated IL-3