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.
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Show more- Undifferentiated cancer Cancer: A cancer in which the cells are very immature and 'primitive' and do not look like cells in the…
- System, central nervous (CNS) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- Presentation, vertex In a vertex presentation, the top of the baby's head comes first at delivery. The vertex here refers…
- Pseudomonas aeruginosa The versatile 'blue-green pus bacteria' that opportunistically infects people, especially those who are…
- Athymic mouse A laboratory mouse lacking a thymus gland. Athymic mice have no T cells and useful in research because they…
- Bayes' theorem See: Bayes theorem
- Erb paralysis See: Erb palsy
- Selective tubal occlusion procedure (The acronym for selective tubal occlusion procedure is STOP.) A nonsurgical form of permanent birth control…
- Melancholia Old term for depression.
- Intraocular pressure The pressure created by the continual renewal of fluids within the eye. The intraocular pressure is increased…
- Explant 1. The original meaning: to transfer tissue from the body and place it in a culture medium for growth; and…
- Coronary insufficiency Insufficient blood flow through one or more coronary arteries