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).
Helminth
A worm classified as a parasite. (A parasite is a disease-causing organism that lives on or in a human or another animal and derives its nourishment from its host.) Lice are examples of parasites that live on humans; bacteria and viruses…
Read the definitionRandom terms
Show more- Blurred vision Lack of sharpness of vision with, as a result, the inability to see fine detail. Blurred vision can occur…
- Streptococcus faecalis Now called Enterococcus faecalis. See Enterococcus
- BSL 1. Biosafety level, as in a BSL-4 laboratory. 2.Biohazard safety level. 3.Blood sugar level. 4.British Sign…
- Idiopathic sclerosing cholangitis See: Primary sclerosing cholangitis
- Fever, hemorrhagic A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- Bronchopulmonary Pertaining to both the air passages (bronchi) leading to the lungs and the lungs (pulmonary) themselves
- Chamomile An herb often used in the form of a tea as a sedative. Allergic reactions to chamomile can occur…
- Precocious puberty Precocious puberty is the unusually early development of secondary sexual features. The onset of sexual…
- Artificial heart A manmade heart. An artificial heart was temporarily implanted in 1969 by Denton Cooley in Houston, Texas…
- Little lady of Flores The first skeleton, that of a diminuitive female, found on the Indonesian island of Flores belonging to a new…
- Pterygium A winglike triangular membrane. Although a pterygium can be anywhere, including behind the knee, it commonly…
- Itching, anal See: Anal itching