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).
Rectus abdominis
A large muscle in the front of the abdomen that assists in the regular breathing movement and supports the muscles of the spine while lifting and keeping abdominal organs such as the intestines in place. The rectus abdominis plays a key…
Read the definitionRandom terms
Show more- Heberden node A small fixed bump on the finger, usually at the last joint of the finger, Heberden's node is a calcified…
- Colinear Arranged in the same linear order. See: Colinearity
- Inferior vena cava A large vein that receives blood from the lower extremities, pelvis and abdomen and delivers it to the right…
- Gingivitis, ulcerative This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Syphilis, congenital The third stage of syphilis, in which the syphilis spirochetes infect the brain and other organs of the body…
- Open-label A term used to describe the situation when both the researcher and the participant in a research study know…
- Deafness and Communication Disorders, Institute Institute on (NIDCD): One of the US National Institutes of Health. The mission of the National Institute on…
- Lumbar puncture Lumbar puncture: A lumbar puncture or 'LP' is a procedure whereby spinal fluid is removed from the spinal…
- Mendel, Gregor The great Moravian/Bohemian biologist (1822-84) who set forth the basic laws that constitute the foundation…
- Acathisia See: Akathisia
- Lancet See: Lancing device.
- Tinea capitis A superficial fungus infection of the skin, affecting the scalp. Also known as ringworm. This disorder occurs…