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).
Cigar
A small roll of tobacco leaf for smoking. The word 'cigar,' from the Spanish 'cigarro,' first appeared in English in 1730. In 1998, a National Cancer Institute report outlined cause-and-effect connections between cigar smoking and disease…
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Show more- Mucopolysaccharidosis type IVB Morquio syndrome due to deficiency of the enzyme beta-galactosidase. See also Mucopolysaccharidosis
- Nicotinic acid Deficiency of nicotinic acid (also known as niacin), one of the B-complex vitamins, causes pellagra. Pellagra…
- Abrin A phytotoxin (plant poison) found in the seeds of a plant called the rosary pea or jequirity pea. These seeds…
- Plegia Suffix meaning paralysis or a stroke. As in cardioplegia (paralysis of the heart), hemiplegia (paralysis of…
- Hexadactyly The presence of an extra digit, a sixth finger or toe, which is a very common congenital malformation (birth…
- Deja vu (In French, dejà vu means 'already seen.' and the word dejà has an acute accent on the e and a grave accent…
- Histo Popular name for the fungus histoplasma. Also medical school slang for histology
- Papillary renal cell carcinoma A type of kidney cancer that accounts for 15 to 20% of renal carcinomas. It occurs in both sporadic and…
- Abuse, steroid Use of substances containing anabolic steroids to increase muscle mass. Such steroids can have many side…
- Myelogram An x-ray of the spinal cord and the bones of the spine. During a myelogram, a contrast material that is…
- Immunogenetics The genetics (inheritance) of the immune response. For example, the study of the Rh, ABO and other blood…
- Formula feeding Feeding an infant or toddler prepared formula rather than breast-feeding, or in addition to breast-feeding…