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).
Frozen shoulder
Frozen shoulder: Constant severe limitation of the range of motion of the shoulder due to scarring around the shoulder joint (adhesive capsulitis). Frozen shoulder is an unwanted consequence of rotator cuff disease: damage to the rotator…
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Show more- Extracolonic Outside the colon. An hereditary colon cancer syndrome may also predispose to extracolonic malignancies
- Deuteranopia Colorblindness of the red-green type, also known as deuteranomaly or Daltonism. The term 'Daltonism' is…
- EDS (excessive daytime sleepiness) A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Reaction, vasovagal See: Vasovagal reaction
- Human herpesvirus 1 (HHV-1) A herpes virus that causes cold sores and fever blisters in and around the mouth. Here is a depiction of a…
- Horripilation Better known as goose bumps, a temporary local change in the skin when it becomes rougher due to erection of…
- Effacement The thinning of the cervix which occurs before and while it dilates
- Quack 1) A practitioner who suggests the use of substances or devices for the prevention or treatment of disease…
- Portal vein A large vein that carries blood from the stomach and the intestines to the liver. The portal vein is formed…
- Hybridoma A cell hybrid resulting from the fusion of a cancer cell and a normal lymphocyte (a type of white blood…
- Therapy, behavior A treatment program that involves substituting desirable behavior responses for undesirable ones
- Hearing screening test, newborn Screening of the newborn baby's ability to hear. Newborn screening of hearing is done with automated auditory…