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).
Ventilation, positive pressure
The provision of oxygen under pressure by a mechanical respirator, a machine designed to improve the exchange of air between the lungs and the atmosphere. The device is basically designed for administering artificial respiration…
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Show more- Angiosarcoma A type of cancer that begins in the lining of blood vessels. This type of tumor tends to be aggressive, recur…
- Window, round The trachea, a tube-like portion of the respiratory (breathing) tract that connects the larynx (the voicebox)…
- Benign melanoma See: Melanoma, benign
- Cranial nerve, eleventh The eleventh cranial nerve is the accessory nerve. The twelve cranial nerves, the accessory nerve included…
- Cervical cancer Cervical cancer: Cancer of the entrance to the womb (uterus). The cervix is the lower, narrow part of the…
- Nevus 1. Any birthmark.2. A benign pigmented spot on the skin such as a mole (a cluster of melanocytes and…
- Ovarian teratoma Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically…
- Blepharitis Inflammation of the eyelids. Blepharitis occurs in two forms, anterior and posterior: > >Anterior blepharitis…
- Axial tomography, computerized Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- RUL Acronym for the right upper lobe (of the lung). The right lung has three lobes: the right lower lobe (RLL)…
- Myopathy, mitochondrial Nearsightedness, the ability to see close objects more clearly than distant objects. Myopia can be caused by…
- Membrane metalloendopeptidase See: Metallomembrane endopeptidase