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).
Hormone, thyroid
Chemical substance made by the thyroid gland which is located in the front of the neck. The thyroid gland uses iodine to make thyroid hormones. The two most important thyroid hormones are thyroxine (T4) and triiodothyronine (T3). NTER>
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Show more- Beriberi, infantile See: Infantile beriberi
- Section, lower segment Cesarian (LSCS) A Cesarian section in which the surgical incision (cut) is made in the lower segment of the uterus
- Genetics, transplantation The field of biology and medicine relating to the genes that govern the acceptance or rejection of a…
- Butyric acid An acid that has four carbons in it. The formula for butyric acid is: CH3-CH2-CH2-COOH
- Nictitating spasm Spasm of the eyelid with continuous winking. To nictitiate is to wink. 'Nictitate' and the older verb…
- Angiitis, allergic granulomatous See: Churg-Strauss syndrome
- Veisalgia The sober medical term for a hangover. 'There is no consensus definition of veisalgia ('alcohol…
- Probability The likelihood that something will happen. For example, a probability of less than .05 indicates that the…
- Axon A long fiber of a nerve cell (a neuron) that acts somewhat like a fiber-optic cable carrying outgoing…
- Cutis laxa A dermatologic condition characterized by unusually loose skin which may hang in pendulous folds. Cutis laxa…
- Endorectal MRI An MRI (magnetic resonance imaging) done from inside the rectum. To do such as MRI, a surface coil within an…
- Induction therapy Therapy: Treatment designed as a first step toward reducing the number of cancer cells. Often just referred…