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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Thyroid hormones
Chemical substances made by the thyroid gland, which is located in the front of the neck. This gland uses iodine to make thyroid hormones, which are essential for the function of every cell in the body. They help regulate growth and the…
Read the definitionRandom terms
Show more- Cryosurgery Treatment performed with an instrument that freezes and destroys abnormal tissue. See also cryotherapy.
- NIDDK (Nat'l Institute of Diabetes and Kidney) And Kidney Diseases): One of the National Institutes of Health in the U.S., the NIDDK has a multisystem name…
- Scrub up To wash the hands and forearms very thoroughly, as before surgery. To scrub up implies the use of a brush…
- Beta-agonist A bronchodilator medicine that opens the airways by relaxing the muscles around the airways that may tighten…
- Antineoplastic Acting to prevent, inhibit or halt the development of a neoplasm (a tumor). An agent with antineoplastic…
- Fred L. Soper See: Soper, Fred L.
- White spots on the nails Very small semi-circular white spots on the nails. These spots may be found on the fingernails and…
- Acid deposition A complex chemical and atmospheric phenomenon that occurs when emissions of sulfur and nitrogen compounds and…
- Malrotated ear An ear that is slanted more than usual. Technically, an ear is slanted when the angle of the slope of the…
- Jellyfish itch An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Cocci Pleural of coccus. Bacteria which are spherically shaped
- Neurological Disorders and Stroke, Nat'l Institut Of (NINDS): One of the National Institutes of Health in the U.S., the NINDS's mission is to 'support and…