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).
Guided imagery
An alternative medicine technique in which patients use their imagination to visualize improved health, or to 'attack' a disease, such as a tumor. Some studies indicate that the positive thinking can have an effect on disease outcome, so…
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Show more- Second stage of labor The part of labor from the full dilatation of the cervix until the baby is completely out of the birth canal…
- Carcinoma in situ, squamous cell An early stage of skin cancer. Also known as Bowen's disease. This is a tumor that develops from the squamous…
- Trismus Inability to open the mouth fully. This may be due to spasm of the jaw muscles and be a symptom of tetanus…
- Nerve, seventh cranial The seventh cranial nerve is the facial nerve, a mixed nerve that has fibers both going out and coming in…
- Value, Daily See Daily Value
- Eye Institute, National ): One of the National Institutes of Health in the U.S., NEI's mission is to 'conduct and support research…
- William Dobelle A genetic disorder characterized by mild mental retardation, unique personality characteristics, unusual…
- Megakaryocyte A giant cell in the bone marrow that is the ancestor of blood platelets.
- Cavities Cavities: Holes in the two outer layers of a tooth called the enamel and the dentin. The enamel is the…
- Lower leg The lower leg is the bottom segment of the leg: the part below the knee. The lower leg contains two long…
- Molecule The smallest unit of a substance that can exist alone and retain the character of that substance.
- Malignant giant cell tumor A type of bone tumor characterized by massive destruction of bone near the end (epiphysis) of a long bone…