MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Fine needle aspiration
The use of a thin needle to withdraw material from the body. For example, this method is commonly used to determine whether a nodule in the thyroid gland is benign or malignant (fine needle aspiration biopsy of the thyroid). A fine gauge…
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Show more- Hardy-Weinberg law Basic concept in population genetics discovered independently in 1908 by the great English mathematician…
- Fruit fly Scientifically known as Drosophila melanogaster. A favorite organism in genetics and biology research since…
- Disease, His Named for the Swiss physician Wilhelm His, Jr. (who also described the bundle of His in the heart), this is a…
- Momism 1. Excessive attachment to mom. 2. Conversely, overprotective mothering. The term momism was coined by the…
- Internal jugular vein The deeper of the two jugular veins in the neck that drain blood from the head, brain, face and neck and…
- Incubation period In medicine, the time from the moment of exposure to an infectious agent until signs and symptoms of the…
- RNA, transfer In cooperation with the ribosomes, transfer RNA brings (transfers) activated amino acids into position along…
- Polyglandular autoimmune syndrome (PGA) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- Glans and foreskin, inflammation of the In the uncircumcised male, balanitis (inflammation of the glans, the rounded head of the penis) and posthitis…
- NHLBI Stands for the National Heart, Lung, and Blood Institute, one of the National Institutes of Health in the…
- Andro Short for androstenedione, a normal precursor to testosterone and other androgens. Taking andro can raise…
- Peripheral insulin resistance Failure of target tissues to increase glucose disposal in response to insulin. See also: Insulin resistance