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.
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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).
Deficiency, alpha-1 antitrypsin
See: Alpha-1 antitrypsin deficiency
Read the definitionRandom terms
Show more- Oral contraceptive A birth control pill taken by mouth. Most oral contraceptives include both estrogen and progesterone. When…
- IgM Immunoglobulin M, a major class of immunoglobulins. IgM includes the antibodies that are usually produced…
- IPT Interpersonal therapy
- Red-green colorblindness A form of colorblindness in which red and green are perceived as identical. This is the most common type of…
- Upregulation An increase in the number of receptors on the surface of target cells, making the cells more sensitive to a…
- Piloerection Erection of the hair of the skin. Piloerection of the hair, for example, on the arm makes it 'stand on end.'…
- Dyskeratosis congenita An inherited cause of bone-marrow failure, dyskeratosis congenita is a syndrome characterized by abnormal…
- Sac, yolk See: Yolk sac
- Ankylosing spondylitis Ankylosing spondylitis: A type of arthritis that causes chronic inflammation of the spine and the sacroiliac…
- Drug Enforcement Administration (DEA) Every prescription written in the United States bears a DEA number, that of the prescribing doctor, the DEA…
- Pott's disease An old term for tuberculosis of the spine that caused softening and collapse of the vertebrae, often…
- Cancer, larynx Cancer of the voice box (the larynx) which is located at the top of the windpipe (trachea). Also called…