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).
Hypopnea
Literally, underbreathing. Breathing that is shallower or slower than normal. Hypopnea is distinct from apnea in which there is no breathing. Hypopnea comes from the Greek roots hypo- (meaning low, under, beneath, down, below normal) and…
Read the definitionRandom terms
Show more- Cholesterol, 'good' High-density lipoprotein (HDL) cholesterol
- Cancer of the cervix See: Cervical cancer
- Typhus, endemic See Typhus, murine
- CAD Coronary artery disease. CAD is a major cause of illness and death. It begins when hard cholesterol…
- Tunnel vision Loss of peripheral vision with retention of central vision, resulting in a constricted circular tunnel-like…
- Teratophobia Fear of bearing a malformed child. A phobia is an unreasonable sort of fear that can cause avoidance and…
- Saccharomyces cerevisiae genome See: Yeast genome
- Sociopath A term once used for someone with what is now called antisocial personality disorder
- Particle, alpha A tiny mass of material composed of two protons and two neutrons. Alpha particles do not travel very far from…
- Dinucleotide A sequence of 2 base pairs. A trinucleotide (a triplet of base pairs) may be split into a dinucleotide and a…
- Amelanotic melanoma See: Melanoma, amelanotic
- Cancer of the rectum See: Rectal cancer