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).
Actinomycetes
A group of gram-positive bacteria (order Actinomycetales) that produce various bioactive agents including antibiotics, enzymes, and vitamins. Streptomyces belong to this bacterial order
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Show more- Trait, dominant lethal A genetic trait that, if present in the genome of the individual, is expressed and therefore precludes the…
- Prior authorization In pharmacy, a cost-containment procedure that requires a prescriber to obtain permission to prescibe a…
- Fear of sexual intercourse An abnormal and persistent fear of male-female sexual intercourse. Sufferers of this fear experience undue…
- Polycystic kidney disease, autosomal dominant Cystic kidney disease, autosomal dominant: A late onset disorder characterized by the progressive development…
- Withdrawal, penis A method of contraception, also called coitus interruptus, in which the man withdraws his penis from the…
- Hypochondriac A person who has hypochondriasis, a disorder characterized by a preoccupation with body functions and the…
- Gregarious Living in the company of others. A gregarious parasite is one whose nutritional requirements are such that…
- Hemophobia An abnormal and persistent fear of blood. Sufferers of this very common phobia dread the sight of their own…
- Iridectomy, peripheral See Peripheral iridectomy
- Anoscope An Anoscope is an instrument used for visualization of the anus and lowest portion of the rectum. An anoscope…
- Chickenpox immunization Immunization designed to prevent or lessen the severity of the common disease known as chickenpox. The…
- Psychosis, schizophrenia The most chronic and disabling of the major mental illnesses. Schizophrenia may be one disorder, or it may be…