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).
Trachea
A tube-like portion of the breathing or 'respiratory' tract that connects the 'voice box' (larynx) with the bronchial parts of the lungs. NTER> Each time we inhale (breathe in), air goes into our nose or mouth, then through the larynx…
Read the definitionRandom terms
Show more- ICSI Jaundice. At least one medical dictionary defines icterus as the presence of jaundice seen in the sclera of…
- Succenturiate placenta An extra placenta separate from the main placenta. In anatomy 'succenturiate' means substituting for or…
- Hypovolemia An abnormal decrease in blood volume or, strictly speaking, an abnormal decrease in the volume of blood…
- Sunburn Sunburn is an inflammation of the skin that develops in response to exposure to ultraviolet (UV) radiation…
- Membranous vitreous type Stickler syndrome Yndrome, type I. See: Stickler syndrome
- Aortic valve, bicuspid Whereas the normal aortic valve in the heart has three flaps (cusps) that open and close, a bicuspid valve…
- Adenomyomata Plural form of adenomyoma
- Hormone, secretin Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word 'hormone' was…
- Paraparesis Weakness of the lower extremities
- Prion A disease-causing agent that is neither bacterial nor fungal nor viral and contains no genetic material. A…
- Q.s. If a medicine is to be taken every so- many hours, it is written "q_h"; the "q" standing for the Latin word…
- Virus, human immunodeficiency (HIV) The cause of AIDS. HIV has also been called the human lymphotropic virus type III, the lymphadenopathy-…