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).
Vaccination, serum hepatitis
Serum hepatitis is hepatitis B (hep B). Hep B vaccine gives prolonged protection, but 3 shots over a half year are usually required. All infants in the U.S. receive hep B vaccine. Two vaccines (ENGERIX-B, and RECOMBIVAX-HB) are available…
Read the definitionRandom terms
Show more- Scale, skin A thin piece of the outermost layer of skin resembling a fish scale. They represent a heaping up of the…
- IgE Immunoglobulin E, a class of immunoglobulins that includes the antibodies elicited by an allergic substance…
- Cloning vector A DNA molecule originating from a virus, a plasmid (see below) or the cell of a higher organism into which…
- Glossopharyngeal nerve The glossopharyngeal nerve is the ninth cranial nerve. The 12 cranial nerves, the glossopharyngeal nerve…
- Gower syndrome (situational syncope) The temporary loss of consciousness in particular kinds of situations. (Syncope is temporary loss of…
- Mono Popular name for infectious mononucleosis
- M protein An antibody or part of an antibody found in unusually large amounts in the blood or urine of patients with…
- Differential diagnosis The process of weighing the probability of one disease versus that of other diseases possibly accounting for…
- Enzymes Proteins that act as a catalysts in mediating and speeding a specific chemical reaction. In 1902 Archibald…
- Cranial nerve XI The eleventh cranial nerve is the accessory nerve. The twelve cranial nerves, the accessory nerve included…
- Penicillium notatus The species of bread mold that produces penicillin. See also: Penicillin history
- Movement, saccadic See: Saccade