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).
Stepfather
The husband of a woman who had a child by another man
Read the definitionRandom terms
Show more- First American medical journal The Medical Repository, founded in 1797 and published quarterly until 1824. The Medical Repository was the…
- Bile duct cancer An uncommon type of cancer that arises from the bile duct, the tube that connects the liver and the…
- Expiration date The date for a drug estimated for its shelf life with proper storage in sealed containers away from harmful…
- Parasitosis Infestation or infection with parasites. See also: Delusional parasitosis
- Cranial nerve IV The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- MRNA Messenger RNA, the key intermediary in gene expression, translating the DNA's genetic code into the amino…
- Radiograph A film with an image of body tissues that was produced when the body was placed adjacent to the film while…
- Type 1 diabetes See Diabetes, type 1
- Supination Rotation of the forearm and hand so that the palm is up (and the corresponding movement of the foot and leg…
- Heterotrisomy Trisomy of different chromosomes. The occurrence of two children in the same family, one with trisomy 18 and…
- Accessibility of services The ability to get medical care and services when needed
- Compound 118 Trade name of the insecticide aldrin. See: Aldrin and dieldrin