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).
Pelvic inflammatory disease (PID)
Ascending infection of the female upper genital tract (the female structures above the cervix). PID is the most common and serious complication of sexually transmitted diseases (STDs), aside from AIDS, among women. The signs and symptoms…
Read the definitionRandom terms
Show more- Proctosigmoidoscopy See: Sigmoidoscopy
- Diploe The soft spongy material between the inside table and outside table (the interior and exterior bony plates)…
- Reimplantation Synonymous with replantation. See: Replantation
- Alveolus One of the tiny air sacs located at the very ends of the bronchioles within the lungs where the exchange of…
- Dermatitis Inflammation of the skin, either due to direct contact with an irritating substance, or to an allergic…
- Point mutation A single nucleotide base change in the DNA. A point mutation may consist of the loss of a nucleotide, the…
- Severe congenital neutropenia Neutropenia: A genetic disorder of the bone marrow characterized by a lack of neutrophils, white blood cells…
- Chronic myelogenous leukemia Chronic inflammation of the skin lining the external ear canal leading to the ear drum. Can be caused by a…
- SARS Severe acute respiratory syndrome. A severe form of pneumonia which appeared in outbreaks in 2003. See…
- Pill In pharmacy, a medicinal substance in a small round or oval mass meant to be swallowed. Pills often contain a…
- Period, gestation The period of development of the young from the time of conception until birth. For humans the full gestation…
- Coefficient of inbreeding A measure of how close two people are genetically to each another. The coefficient of inbreeding, symbolized…