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).
Homosexual
A person sexually attracted to persons of the same sex. Homosexuals include males (gays) and females (lesbians). The term 'homosexual' can also be an adjective.
Read the definitionRandom terms
Show more- Tobacco smoking Smoking: The direct inhalation of tobacco smoke, the basis of major health hazards. Long known to cause…
- Glucosamine A molecule derived from the sugar glucose by the addition of an amino (NH2) group, glucosamine is a component…
- Anemia, Addison Anemia, Addison: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not…
- Sweat chloride test Sweat chloride test: A test for cystic fibrosis. See: Sweat test.
- B-type natriuretic peptide A 32-amino-acid polypeptide secreted by the ventricles of the heart in response to excessive stretching of…
- Neuroma A tumor that arises in nerve cells
- Electron microscopy A recording of the eye movements, usually done to confirm the presence of nystagmus. Electronystagmogram may…
- Turcot syndrome A genetic disease characterized by polyps in the colon (large intestine) in addition to tumors in the brain…
- Arrectores pilorum Tiny muscles that act as the hair erector muscles. The arrectores pilorum play a key role in goose bumps, a…
- Linus Pauling See: Pauling, Linus
- Frontal lobe The part of each hemisphere of the brain located behind the forehead that serves to regulate and mediate the…
- Test, Venereal Disease Research Laboratory A blood test for syphilis. Venereal Disease Research Laboratory is commonly abbreviated VDRL. A negative…