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).
Hiccough
A hiccough is an extraordinary type of breathing movement involving a sudden intake of air (inspiration) due to an involuntary contraction of the diaphragm accompanied by closure of the vocal apparatus (glottis) of the larynx. A hiccough…
Read the definitionRandom terms
Show more- Lung transplant The first lung transplant was done by the American surgeon James Hardy (1918-) in 1964.
- Akinetic Without movement (or without much movement). A term used in neurology to denote the absence (or poverty) of…
- Analbuminemia 1. Properly, an absence of albumin from the blood.2. More loosely, a low level of albumin in the blood…
- Autoimmune lymphoproliferative syndrome (ALPS) A disease caused by failure of lymphocytes to die once they have finished doing their job. As a result…
- Alpers disease A progressive disease of the nervous system characterized by spasticity (tightness), myoclonus and dementia…
- Carcinogenic Causing cancer or contributing to the causation of cancer. Pertaining to a carcinogen
- Regulatory region A region of a chromosome that controls gene expression. In terms of DNA, it is a regulatory sequence
- Empirical midwife A midwife who has entered the profession as an apprentice to a practicing midwife rather than attending a…
- Line, germ A sequence of cells, each descended from earlier cells in the lineage, which will develop into new sperm and…
- Transposon A short mobile DNA sequence that can replicate and of which copies can be inserted at random sites within…
- Hypoosmolarity In biochemistry, an abnormal decrease in the osmolarity of the body fluids
- MADH4 A tumor suppressor gene (also known as SMAD4/DPC4) located on chromosome 18 in band 18q21 1. About 15% to 20%…