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).
Embryonal carcinoma
A malignant germ cell tumor that occurs most often in the testes and accounts for about 40% of testicular tumors. Under the microscope, these tumors may resemble tissues of early embryos. This type of tumor can grow rapidly and spread…
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Show more- Reportable disease A disease that must be reported to federal, state, or local health officials when diagnosed. Reportable…
- Anorexia nervosa Anorexia nervosa: See Anorexia.
- Effusion Too much fluid, an outpouring of fluid. A hemorrhagic effusion is one that has blood within the fluid. A…
- Health physics The science of human health and radiation exposure. Health physics, also called medical physics, is devoted…
- Hexosaminidase A An enzyme which, when deficient, causes Tay-Sachs disease, a progressive fatal neurologic disorder…
- Ala Alanine. See also: Amino acid symbols
- Differential white cell count The proportions of the different types of white cells in the blood, usually split into the different types of…
- Respiratory papillomatosis, recurrent Recurrent respiratory papillomatosis involves the growth of numerous warty growths in the larynx on the vocal…
- Nuchal Referring to the back of the neck (nape). For example, nuchal rigidity is a stiff neck, sometimes a symptom…
- Shoulder blade The familiar flat triangular bone at the back of the shoulder. Known familiarly as the wingbone or…
- Thanatophobia An abnormal and excessive fear of death
- Remission Disappearance of the signs and symptoms of cancer or other disease. When this happens, the disease is said to…