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).
Male organs of reproduction
>The male external genitalia -- the penis, the male urethra, and the scrotum; and >The male internal genitalia -- the testis, epididymis, ductus deferens, seminal vesicle, ejaculatory duct, bulbourethral gland, and the prostate. In the…
Read the definitionRandom terms
Show more- Penicillin-resistant bacteria Bacteria that are unaffected by penicillin. Such organisms can sometimes be killed using sulfa drugs…
- Papillomatosis, laryngeal Laryngeal papillomatosis is the growth of numerous warty growths on the vocal cords. The disease is most…
- Directives, advance medical These documents pertain to treatment preferences and the designation of a surrogate decision-maker in the…
- Emetophobia An abnormal and persistent fear of vomiting. Sufferers of emetophobia experience undue anxiety even though…
- Roentgen, Wilhelm Wilhelm Conrad Rontgen (1845-1923), German-born, Dutch-educated physicist who first observed and documented…
- DHF (dengue hemorrhagic fever) A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Skin test for allergy Allergy: Teste on the skin to identify the allergy substance (the allergen) that is triggering the allergic…
- Immunodepression See immunosuppression
- Stone, kidney Kidney stone: A stone in the kidney (or lower down in the urinary tract). Kidney stones are a common cause of…
- Nuchal Referring to the back of the neck (nape). For example, nuchal rigidity is a stiff neck, sometimes a symptom…
- Pulmonary vein One of four vessels that carry aerated blood from the lungs to the left atrium of the heart. (The four are…
- Aphrasia The inability to speak or understand phrases