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).
Sequence tagged site (STS)
A short (200 to 500 base pair) DNA sequence that occurs but once in the genome and whose location and base sequence are known. STSs are detectable by polymerase chain reaction (PCR), are useful for localizing and orienting the mapping and…
Read the definitionRandom terms
Show more- Hashimoto thyroiditis Thyroiditis: A progressive disease of the thyroid gland characterized by the presence of antibodies directed…
- ALA 1. Alpha-linolenic acid 2.Aminolevulinic acid, a naturally occurring chemical in the body that is converted…
- Upper GI series Upper GI series: A series of x-rays of the esophagus, stomach, and small intestine (upper gastrointestinal…
- Long arm of a chromosome The long arm of a chromosome is termed the q arm. All human chromosomes have 2 arms, the p (short) arm and…
- Aerophagia Swallowing too much air, a common cause of gas in the stomach and belching. Everyone swallows small amounts…
- Endometriosis uterina Also known as adenomyosis (pronounced ad-den-o-mi-o-sis), this is a common benign condition of the uterus in…
- Epididymis A structure within the scrotum attached to the backside of the testis. The epididymis is a coiled segment of…
- Nasal Having to do with the nose. Nasal drops are intended for the nose, not (for example) the eyes. The word…
- Implant, brainstem See: Brainstem implant
- Frailty syndrome A condition, seen particularly in older patients, characterized by low functional reserve, easy tiring…
- Eyedrop test There are many types of eyedrops and many types of eyedrop tests. One of the most common eyedrop tests is…
- Complementary medicine A group of diagnostic and therapeutic disciplines that are used together with conventional medicine. An…