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).
Fine needle aspiration
The use of a thin needle to withdraw material from the body. For example, this method is commonly used to determine whether a nodule in the thyroid gland is benign or malignant (fine needle aspiration biopsy of the thyroid). A fine gauge…
Read the definitionRandom terms
Show more- Assistant in dying See: Doula (the second meaning)
- Prostaglandin One of a number of hormone-like substances that participate in a wide range of body functions such as the…
- Activated charcoal Charcoal that has been heated to increase its absorptive capacity. Activated charcoal is sold as an…
- Guttate psoriasis A type of psoriasis characterized by red, scaly patches of inflamed skin on all parts of the body. It is…
- Syndrome, Bernard-Soulier Nt platelet syndrome): This is a primary problem of platelets in which the platelets lack the ability to…
- Certified midwife A midwife who has been certified by her state or national agency for credentialing midwives
- Ulnar Referring to the larger of the two long bones in the forearm. (The smaller one is the radius). The ulna is on…
- Di- A byproduct of the male hormone testosterone. Dihydrotestosterone (DHT) is considered to be the essential…
- Transjugular intrahepatic portosystemic shunt Transjugular intrahepatic portosystemic shunt: A shunt that allows blood from the portal circulation (that…
- Cross-sectional study A study done at one time, not over the course of time. A cross-sectional study might be of a disease such as…
- Colorectal cancer risk See: Colon cancer family history
- Anal incontinence Inability to hold feces in the rectum. This is due to failure of voluntary control over the anal sphincters…