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).
HIV infection, acute
The body's initial reaction to infection by the HIV virus. Acute HIV infection is a flu-like syndrome that occurs immediately after a person contracts HIV (the human immunodeficiency virus 1, the agent that causes AIDS). The syndrome is…
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Show more- Xerostomia Dry mouth. The condition of not having enough saliva to keep the mouth wet due to inadequate function of the…
- Total hysterectomy Hysterectomy: Complete surgical removal of the uterus and cervix. Also called a complete hysterectomy
- Thromboembolism Formation in a blood vessel of a clot (thrombus) that breaks loose and is carried by the blood stream to plug…
- Cushing syndrome Cushing syndrome: The constellation of symptoms and signs caused by an excess of cortisol hormone. Cushing…
- Fear of marriage An abnormal and persistent fear of being married. Sufferers of this phobia experience undue anxiety even…
- Diverticulum A small bulging sac pushing outward from the colon wall is a diverticulum. As a person ages, pressure within…
- Trichomonas A single-celled protozoan parasite best known in medicine because one species causes vaginitis (vaginal…
- Tylenol See: Acetaminophen
- Vestibular disorders Vestibular disorders: Disorders of the body's balance (vestibular) system in the inner ear due to a…
- Ortho- (prefix) Prefix meaning straight or erect. From the Greek 'orthos' that means just that: straight or erect. Examples…
- NF1 (neurofibromatosis type 1) See: Neurofibromatosis type 1
- Sickle cell disease A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…