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.
- 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).
Toxin, anthrax
The toxic substance secreted by the bacterium Bacillus anthracis, the causative agent of the disease anthrax. Anthrax toxin is made up of three proteins. One is protective antigen and two are enzymes that are called edema factor and lethal…
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Show more- Neoplasm A tumor. An abnormal growth of tissue. The word neoplasm is not synonymous with cancer. A neoplasm may be…
- Hypoglossal neuropathy Disease of the hypoglossal nerve, the twelfth cranial nerve. The twelve cranial nerves, the hypoglossal nerve…
- Step therapy The practice of beginning drug therapy for a medical condition with the most cost-effective and safest drug…
- Human Development, . . . (NICHD) Of Child Health and (NICHD): One of the US National Institutes of Health, NICHD is in a sense the NIH for…
- Cilium A fine hairlike projection from a cell such as those in the respiratory tract. Cilia can help to sweep away…
- Prenatal diagnosis Diagnosis before birth. Methods for prenatal diagnosis include ultrasound of the uterus, placenta, and/or…
- Mitral prolapse Drooping down or abnormal bulging of the mitral valve cusps during the contraction of the heart.
- Denervation Loss of nerve supply. There are many causes of denervation. Denervation may be due to a disease as, for…
- Roundworm C. elegans genome See: C. elegans genome
- P.c. Abbreviation meaning after meals (from the Latin 'post cibum', after meals). One of a number of hallowed…
- Syndrome, Martorell See: Takayasu disease
- Ear, internal There are three sections of the ear. They are the external ear, the middle ear, and the internal ear. The…