MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Pachydactyly
Thick fingers or toes. A feature, for example, of neurofibromatosis. From the Greek pachys, thick + daktylos, finger or toe
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Show more- New, fear of the An irrational fear of anything new, of innovation, of new situations, places, or things. Also called…
- Meiotic drive Preferential selection during meiosis (germ cell production). In meiotic drive there is preferential…
- Paprika A spicy seasoning ground from a variety of sweet red pepper (Capsicum annuum), the original source of vitamin…
- Stepmother The wife of a man who had a child by another women. See: Novercal
- Olive oil diet See: Mediterranean diet
- Diaphragm pacing A procedure to help patients with spinal cord injuries to breathe. Their breathing is helped by setting the…
- Dieldrin A chlorinated hydrocarbon insecticide. See: Aldrin and dieldrin
- Chromosome duplication Part of a chromosome in duplicate. A particular kind of mutation involving the production of one or more…
- Levonorgestrel A progestin. Named levonorgestrel because it is the levorotatory form of norgestrel. Used in combination with…
- Hysterectomy, complete Hysterectomy, complete: Complete surgical removal of the uterus and cervix. Also called a total hysterectomy
- Film, PA An X-ray picture in which the beams pass from back-to-front (posteroanterior). As opposed to an AP…
- Gram-positive Gram-positive bacteria retain the color of the crystal violet stain in the Gram stain. This is characteristic…