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).
Immunization, Td
Td is the vaccine given to children over six and adults as boosters for immunity to diphtheria and tetanus
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Show more- AOA Abbreviation for Alpha Omega Alpha, the medical honor society, the medical school equivalent of Phi Beta…
- Sensitivity 1. In psychology, the quality of being sensitive. As, for example, sensitivity training, training in small…
- Open charting The practice of making medical charts available to the patient
- Astigmatic Referring to astigmatism or a person with astigmatism, a common form of visual impairment in which part of an…
- Nadir The lowest point as, for example, the lowest blood count after chemotherapy, the lowest concentration of a…
- Psoriasis, erythrodermic A particularly inflammatory form of psoriasis that often affects most of the body surface. It is the least…
- Threonine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, threonine is…
- Broca's area An area of the cerebral motor cortex in the frontal lobe of the brain that is responsible for speech…
- Chancroid A sexually transmitted infection (STI) caused by the bacterium Haemophilus ducreyi. Periodic outbreaks of…
- Rat, cotton See: Cotton rat
- Patent ductus Failure of the ductus arteriosus, which functions in fetal life as an arterial shunt, to close on schedule at…
- Inotropic Affecting the force of muscle contraction. An inotropic heart drug is one that affects the force with which…