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).
Two-animal rule
A rule instituted by the US Food and Drug Administration (FDA) for the licensing of agents directed against diseases of low or no incidence. The two-animal rule states that, when agents such as an antibiotic or vaccine are needed for such…
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Show more- Strait jacket See: Straitjacket
- Esophagectomy An operation to remove a portion of the esophagus
- Chemoembolization Chemoembolization is a procedure in which the blood supply to a tumor is blocked and anticancer drugs are…
- Laceration A cut. All that is required to care for most cuts is to wash them with soap and water and keep them clean and…
- Cecal Pertaining to the cecum (also spelled caecum), the first portion of the large bowel, situated in the lower…
- Fever, cat scratch A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease…
- Industrial health A branch of public health concerned with the health and well-being of workers. Its aims are to eliminate…
- Functional scoliosis A structurally normal spine that appears to have a lateral curve (scoliosis). Nonstructural scoliosis…
- Male external genitalia The external genital structures of the male, comprising the penis, the male urethra, and the scrotum
- USFDA The United States Food and Drug Administration (best known as the FDA) is an agency within the U.S. Public…
- Abdominal guarding Tensing of the abdominal wall muscles to guard inflamed organs within the abdomen from the pain of pressure…
- Merkle cell carcinoma A rapidly growing type of skin cancer, correctly termed Merkel cell carcinoma, after the German anatomist and…