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).
NEI
Stands for National Eye Institute, one of the US National Institutes of Health. NEI's mission is to 'conduct and support research, training, health information dissemination, and other programs with respect to blinding eye diseases, visual…
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Show more- Intensity modulated radiation therapy IMRT. A type of three-dimensional radiation therapy that uses computer-generated images to match radiation to…
- Sympathetic nervous system A part of the nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise…
- Physiatrist Next to child neglect, physical abuse is the second most frequently reported form of child abuse, accounting…
- Drug, antimicrobial A drug used to treat a microbial infection. The term 'antimicrobial' is a general one that refers to a group…
- Microarray A tool used to sift through and analyze the information contained within a genome. A microarray consists of…
- Gamete The sperm or the egg. Each human gamete normally has 23 chromosomes, the haploid number of chromosomes, half…
- Ductal carcinoma in situ See: DCIS
- Standard of care 1. A diagnostic and treatment process that a clinician should follow for a certain type of patient, illness…
- Transplantation, peripheral blood stem cell A new technique in which stem cells are obtained from a patient's blood and used in bone marrow…
- Mercury poisoning The metallic element mercury is poisonous to humans. Mercury poisoning can occur in both acute and chronic…
- Levonorgestrel A progestin. Named levonorgestrel because it is the levorotatory form of norgestrel. Used in combination with…
- Bullous Characterized by blistering, such as in a second-degree burn. Bullous is the adjective for bulla. A bulla is…