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).
Insomnia, transient
Insomnia that usually lasts less than a week and does not recur. If it recurs from time to time, the insomnia is considered intermittent. If the insomnia affects most nights and lasts a month or more, it is considered chronic insomnia…
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Show more- Lymphoproliferative Referring to the proliferation of the bone marrow cells that give rise to lymphoid cells (such as lymphocytes…
- ITP 1. Idiopathic thrombocytopenic purpura. (Original use.)2. Immune thrombocytopenic purpura. (Newer use). Note…
- Vallecula An anatomic term for a crevice, furrow or depression. There are a variety of valleculae including one in the…
- Commotio cordis Sudden cardiac arrest from a blunt, nonpenetrating blow to the chest. The basis of the cardiac arrest is…
- Mumps in pregnancy Mumps vaccination is not recommended during or shortly before pregnancy because it is a live attenuated…
- Glaucoma, normal pressure See: Glaucoma, normal tension
- Discordant 1. Showing discordance, lack of agreement. A couple may be discordant for a sexually transmitted infection…
- Paraesthesia See: Paresthesia
- Allogeneic Taken from different individuals of the same species. Two or more individuals are said to be allogeneic to…
- Anal fistula An opening in the skin near the anus that leads into a blind pouch or may connect through a tunnel with the…
- Anisocoria Both pupils are usually of equal size. If they are not, that is termed anisocoria (from 'a-', not + 'iso'…
- Participant 1. In a clinical trial, someone who takes part in it. A participant may or may not have a disease. The term…