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).
Acetylcholinesterase
An enzyme that breaks down the neurotransmitter acetylcholine at the synaptic cleft (the space between two nerve cells) so the next nerve impulse can be transmitted across the synaptic gap. Pesticides of the organophosphate and carbamate…
Read the definitionRandom terms
Show more- Nasal-spray flu vaccine See: Nasal flu vaccine
- Genome, yeast See: Yeast genome
- Occult stool blood test A test to check for hidden blood in the feces, the stool
- Aspiration, joint A procedure whereby a sterile needle and syringe are used to drain joint fluid from the joint. This is…
- Cell cycle The sequence of events within the cell between cell divisions. The cell cycle is conventionally divided into…
- Step therapy The practice of beginning drug therapy for a medical condition with the most cost-effective and safest drug…
- Heart, Lung, and Blood Institute, National BI): One of the National Institutes of Health in the U.S., the NHLBI's mission is to 'provide leadership for…
- Streptococcus, group A A well-known strain (type) of streptococcus (strep) bacteria that can cause strep throat and common skin…
- Syndrome, Bernard A complex of abnormal findings, namely sinking in of one eyeball, ipsilateral ptosis (drooping of the upper…
- Sterilization, female surgical Female surgical sterilization blocks (or removes part or all of) the fallopian tubes so the egg cannot travel…
- Prostatic hypertrophy, benign Inflammation of the prostate gland, a very common health concern, accounting for up to 25% of all medical…
- Gyrus A convolution on the surface of a cerebral hemisphere caused by the infolding of the cerebral cortex. The…