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).
Living donor liver transplantation
An option for patients who need a liver transplant. In this procedure, a healthy person (usually a family member, friend or co-worker) donates a portion of their liver to the transplant patient. One of the two lobes of the donor's liver is…
Read the definitionRandom terms
Show more- Tricuspid valve One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the…
- Infection, ear (acute middle) Acute middle ear infection, medically called acute otitis media is inflammation of the middle ear. Acute…
- Disorders, lymphoproliferative Malignant diseases of the lymphoid cells and cells from the reticuloendothelial system (which take up and…
- Foramen magnum The large hole at the base of the skull which allows passage of the spinal cord.
- IDET Intradiskal electrothermal therapy, a procedure designed to relieve back pain due to damage to the disks…
- Excisional biopsy A biopsy in which an entire biopsy in which an entire lesion, is removed. A excisional biopsy is in contrast…
- Nude mice See: Nude mouse
- Directives, advance Known also as advance medical directives, these are documents that pertain to treatment preferences and the…
- Afferent vessel A vessel that carries blood toward the heart. A vein or venule
- Skin abscess A common boil, a collection of pus beneath the skin, which may need to be surgically lanced to let it drain…
- Hormone, growth A hormone made in the pituitary gland that stimulates the release of another hormone called somatomedin by…
- Teaspoon An old-fashioned but convenient household measure. A teaspoon holds about 5 cc of liquid