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.
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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…
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Show more- Cardiologist A doctor who specializes in treating heart disorders
- Cavernous sinus A large channel of venous blood creating a 'sinus' cavity bordered by the sphenoid bone and the temporal bone…
- ASAT Anemia, sideroblastic, and spinocerebellar ataxia. See:href='/script/main/art.asp?articlekey=34082'>Pagon…
- Association 1. In dysmorphology (the study of birth defects), the nonrandom occurrence in two or more individuals of a…
- Dyskinesia Difficulty or distortion in performing voluntary movements, as in tic, chorea, spasm, or myoclonus. The term…
- Hypoalbuminemia An abnormally low blood level of albumin. Normally, albumin is the most plentiful protein in human blood and…
- Quater in die (on prescription) Seen on a prescription, qid (or q.i.d.) means 4 times a day (from the Latin quater in die). The abbreviation…
- Nucleocaspid The genome plus the protein coat of a viral. The genome is nucleic acid. The protein coat is the capsid. The…
- Carotid stenosis Abnormal narrowing of the carotid artery, often a preamble to a stroke
- Disease, rotavirus Rotavirus:A leading cause of severe winter diarrhea in young children. Each year, rotavirus (RV) causes an…
- Syndrome A set of signs and symptoms that tend to occur together and which reflect the presence of a particular…
- Phenylalanine hydroxylase deficiency The inherited inability to process the amino acid phenylalanine normally, due to deficiency of the enzyme…