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).
MCAD deficiency
Deficiency of an enzyme that makes it impossible to digest certain kinds of fat. MCAD stands for medium-chain acyl-CoA dehydrogenase. Children born with MCAD deficiency cannot metabolize (digest) medium-chain fats such as coconut oil. If…
Read the definitionRandom terms
Show more- Hormone, human chorionic gonadotropin A group of hormones, the most important being aldosterone, that regulate the balance of water and…
- Emphysema Emphysema: 1) A lung condition featuring an abnormal accumulation of air in the lung's many tiny air sacs, a…
- Pharmacologist A specialist in the study of medications and their effects on the body
- Tarsal gland See: Meibomian gland
- Captioning The text display of spoken words, presented on a movie screen or a television (or another type of monitor)…
- Disease, polycystic ovarian Scrub typhus, a mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi…
- Onychoosteodysplasia This is the nail-patella syndrome, an hereditary condition characterized by abnormally formed (dysplastic) or…
- Vasodepressor syncope The temporary loss of consciousness in a particular kind of situation. (Syncope is temporary loss of…
- CNM Certified Nurse-Midwife
- Paralysis, stomach Formally called gastroparesis, this is a medical condition in which the muscle of the stomach is paralyzed by…
- Seminal vesicle A structure in the male that is about 5 centimeters (2 inches) long and is located behind the bladder and…
- Fear of demons S (demons): An abnormal and persistent fear of evil supernatural beings in persons who believe such beings…