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).
Palate, cleft
An opening in the roof of the mouth (the palate) due to a failure of the palatal shelves to come fully together from either side of the mouth and fuse, as they normally should, during embryonic development. The opening in the palate…
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Show more- Rodbell, Martin (1925-1998) American biochemist and molecular endocrinologist who shared the Nobel Prize in 1994 in…
- Inner ear There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The inner…
- Myoclonic seizure A seizure characterized by jerking (myoclonic) movements of a muscle or muscle group, without loss of…
- RNA virus, negative-strand See: Negative-strand RNA virus
- Adenitis Inflammation of a gland. From the aden-, gland + -itis, inflammation
- Prenatal diagnosis Diagnosis before birth. Methods for prenatal diagnosis include ultrasound of the uterus, placenta, and/or…
- Subarachnoid hemorrhage Bleeding within the head into the space between two membranes that surround the brain. The bleeding is…
- ALL (acute lymphoblastic leukemia) Acute lymphoblastic leukemia, also less often called acute lymphocytic leukemia. See: Acute lymphoblastic…
- Angiostatin Angiostatin is a piece (a fragment) of a protein, plasminogen, used normally in blood clotting. This fragment…
- Crippled A medically outmoded and politically incorrect term that implies a serious loss of normal function through…
- Skull, hair-on-end Thin fine linear extensions radiating out from the skull that look on an X-ray like hair standing 'on-end'…
- Fatty acids Molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell membranes as a…