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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Fear of insects
An abnormal and persistent fear of insects. Sufferers of this fear experience undue anxiety even though they realize that most insects pose no threat. To avoid insects, they may frequently clean rooms and carpets, sweep hallways, spray…
Read the definitionRandom terms
Show more- Spondylitis Inflammation of one or more of the vertebrae of the spine. Diffuse inflammation of the spine is seen in the…
- Mustard plaster A mild mixture of mustard seed powder, an adhesive such as flour, and water warmed and spread on a moist…
- Grid, Amsler The normal process of reacting to a loss. The loss may be physical (such as a death), social (such as…
- Fundoplication A surgical teque that strengthens the barrier to acid reflux when the lower esophageal sphincter does not…
- Gynecomastia Excessive development of the male breasts. Temporary enlargement of the breasts is not unusual or abnormal in…
- Facial canal introitus In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Shigellosis Epidemic and opportunistic bacillary dysentery due to infection with the Shigella bacteria. Shigellosis…
- Multifactorial inheritance The type of hereditary pattern seen when there is more than one genetic factor involved and, sometimes, when…
- Aspiration, fine needle See Fine needle aspiration
- Nucleic acids See nucelic acid
- Test, eyedrop There are many types of eyedrops and many types of eyedrop tests. One of the most common eyedrop tests is…
- Gland of internal secretion See: Endocrine gland