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).
Ala
Alanine. See also: Amino acid symbols
Read the definitionRandom terms
Show more- Pulmonary artery One of the two vessels which are formed as terminal branches of the pulmonary trunk and convey unaerated…
- Recuperate To recover health and strength. From the Latin recuperare meaning to regain, get back, recover. To recuperate…
- Operon A set of genes transcribed under the control of an operator gene. More specifically, an operon is a segment…
- Reversal of organs, total This condition (medically called situs inversus totalis) involves complete transposition (right to left…
- Downregulation An decrease in the number of receptors on the surface of target cells, making the cells less sensitive to a…
- Upper motor neuron A neuron that starts in the motor cortex of the brain and terminates within the medulla (another part of the…
- Third stage of labor The part of labor from the birth of the baby until the placenta (afterbirth) and fetal membranes are…
- Elastin A protein that coil and recoils like a spring within the elastic fibers of connective tissue and accounts for…
- Orthopod Slang for orthopedist.
- SCN (severe congenital neutropenia) Neutropenia): An condition characterized by a lack of neutrophils, a type of white blood cell that is…
- Cleft palate prosthesis A prosthetic device designed to close the opening left by a cleft in the palate and thereby to improve…
- Visual contrast sensitivity The ability to perceive differences between an object and its background