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).
Tracheostomy
Tracheostomy: A surgical operation to create an opening (stoma) into the windpipe (the trachea). The opening itself can also be called a tracheostomy. A tracheostomy may be needed on an emergency basis to permit a person to breathe who has…
Read the definitionRandom terms
Show more- Salter-Harris fracture A traumatic fracture around or through the growth plate (the epiphyseal plate) of a bone in a child
- Gametic Pertaining to the gamete (the sperm or eggs)
- Pain, shoulder See: Shoulder pain
- Optic disc The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also…
- Buschke's scleredema E: Scleredema
- National Program of Cancer Registries A program administered in the US by the Centers for Disease Control and Prevention (CDC) since 1994 that…
- Ambulant Means the same as 'ambulatory' (able to ambulate, walk about)
- Secondary pulmonary arterial hypertension See: Pulmonary hypertension
- Periostitis Inflammation of the periosteum, a dense membrane composed of fibrous connective tissue that closely wraps…
- Needle stick See: Needlestick injury
- Vitamin A deficiency Deficiency of niacin, one of the B-complex vitamins, causes pellagra. See: Pellagra.
- Prognosis 1. The expected course of a disease.2. The patient's chance of recovery. The prognosis predicts the outcome…