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).
Calculus
1. A stone within the body, such as a stone in the urinary tract. 2. The calcium salt deposits on the teeth. 3. A field of mathematics. These different meanings of 'calculus' all go bach to the origin of the word. In Latin, a calculus is…
Read the definitionRandom terms
Show more- Hearing aid An instrument to help in hearing. There are four common styles of hearing aids. From largest to smallest…
- Isoflavone A type of plant estrogen (phytoestrogen) found chiefly in soybeans
- Angioneurotic edema, hereditary Edema, hereditary: A genetic form of angioedema. (Angioedema is also referred to as Quinke's disease.)…
- Lubricant An oily or slippery substance. A vaginal lubricant may be helpful for women who feel pain during intercourse…
- Tympany A hollow drum-like sound produced when a gas-containing cavity is tapped sharply. Tympany is heard if the…
- Anovulatory Not accompanied by ovulation, the release of an ovum (egg) from the ovary. For example, anovulatory…
- National Human Genome Research Institute (NHGRI) One of the newest of the National Institutes of Health (NIH), NHGRI's mission in formal terms is to 'support…
- Machine, heart-lung A machine that does the work both of the heart (pump blood) and the lungs (oxygenate the blood). Used, for…
- Lederberg See: Lederberg, Joshua
- Oligo- (prefix) Means just a few or scanty. From the Greek 'oligos', few, scanty. Examples of terms starting with oligo-…
- Laryngeal nerve palsy Paralysis of the larynx (voice box) caused by damage to the recurrent laryngeal nerve or its parent nerve…
- Glioma, visual pathway See Visual pathway glioma