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).
Restriction endonuclease
An enzyme from bacteria that can recognize specific base sequences in DNA and cut (restrict) the DNA at that site (the restriction site). Also called a restriction enzyme
Read the definitionRandom terms
Show more- Sympathicoblastoma A surgical procedure to effect an immediate dramatic increase in the size of the pelvic outlet to permit…
- Valsalva maneuver A maneuver in which a person tries to exhale forcibly with a closed glottis (the windpipe) so that no air…
- Situs inversus totalis A condition in which there is complete right to left reversal (transposition) of the thoracic and abdominal…
- Endarterectomy An operation to clean out an artery and restore normal blood flow through the artery. An endarterectomy is…
- Pregnancy, tubal An ectopic pregnancy that takes place in the Fallopian tube. Tubal pregnancies are due to the inability of…
- Compress 1. As a noun, a cloth or another material applied under pressure to an area of the skin and held in place for…
- CT colonography Another name for virtual colonoscopy. The term CT colonography provides a more accurate description of the…
- Strait jacket See: Straitjacket
- Thigh bone The thigh bone in anatomy is called the 'femur.' Whichever term you care to use -- thigh bone or femur, it is…
- Postoperative care Care given after surgery until the patient is discharged from the hospital or surgicenter and, in some cases…
- Lentigo maligna melanoma See: Melanoma, lentigo maligna
- Lamin A/C The lamin family of proteins that make up the nuclear lamina, a matrix of protein located next to the inner…