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).
Nondipper
A person in whom there is an absence of the normal nocturnal fall (dip) in blood pressure. Nondipper status has been shown to be an additional risk factor for the development of adverse cardiovascular events. Nondipping is also common…
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Show more- Prostaglandin One of a number of hormone-like substances that participate in a wide range of body functions such as the…
- Colorectal cancer Cancer of the colon and rectum. A malignant tumor arising from the inner wall of the large intestine. Risk…
- Rheumatoid spondylitis See: Ankylosing spondylitis
- Papilloma, intraductal A benign, wart-like growth that occurs in breast ducts
- Hormone, growth A hormone made in the pituitary gland that stimulates the release of another hormone called somatomedin by…
- CpG In genetics, a site where cytosine (C) lies next to guanine (G) in the DNA sequence. (The p indicates that C…
- Capillary One of the tiny blood vessels that connect the arterioles (the smallest divisions of the arteries) and the…
- End-of-life companion See: Doula (the second meaning)
- FDA The Food and Drug Administration, an agency within the U.S. Public Health Service, which is a part of the…
- ApoE Abbreviation for apolipoprotein E, a gene that codes for a protein component of lipoproteins (complexes of…
- Cystoscopy A procedure in which the doctor inserts a lighted instrument called a cystoscope into the urethra (the tube…
- Menstruation Menstruation: The periodic blood that flows as a discharge from the uterus. Also called menorrhea, the time…