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).
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Show more- Frenum A restraining structure. Frenum is Latin for a bridle. A small frenum is a frenulum
- CCCR5 See: CCR5
- Sexual sadism Individuals with sexual sadism disorder have persistent fantasies in which sexual excitement results from…
- Immune response Any reaction by the immune system.
- Signal transduction A basic process in molecular cell biology involving the conversion of a signal from outside the cell to a…
- Poisoning, lead An environmental hazard capable of causing brain damage. In the US lead poisoning is formally defined as…
- Directives, advance Known also as advance medical directives, these are documents that pertain to treatment preferences and the…
- Hypothyroidism, infantile Hypothyroidism (subnormal activity of the thyroid gland) that starts after birth and is manifest by features…
- Fear of sharks Excessive and persistent fear of sharks is termed galeophobia. Sufferers from this phobia experience anxiety…
- Hexenmilch See: Witch's milk
- Endocrinology The study of hormones, their receptors, the intracellular signalling pathways they invoke, and the diseases…
- Adenosine thallium scan A method of examining the heart to obtain information about the blood supply to the heart muscle. Special…