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).
Sexually transmitted infection
An infection that can be transferred from one person to another through sexual contact. In this context, sexual contact is more than just sexual intercourse (vaginal and anal) and also includes kissing, oral-genital contact, and the use of…
Read the definitionRandom terms
Show more- OPV Oral polio vaccine. See Polio vaccine, oral
- Premature contraction of the heart When a single heartbeat occurs earlier than normal. This phenomenon can be within normal limits or represent…
- Teleological Serving an ultimate purpose in its design. For example, 'What is the true purpose of the nose?' That is a…
- Library, arrayed In genetics, arrayed libraries of DNA clones are used for many purposes, including screening for a specific…
- CAT scan, helical CAT scan, helical: A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray…
- Venereal wart A wart that is confined primarily to the moist skin of the genitals. These warts are due to viruses belonging…
- Female The traditional definition of female was 'an individual of the sex that bears young' or 'that produces ova or…
- Deglutition The act of swallowing, particularly the swallowing of food. The muscles of deglutition are the muscles…
- Small bowel Another name for the small intestine. The word 'bowel' originated from the Latin 'botulus' meaning 'sausage.'
- Color, skin See: Skin color
- Immunity, natural See: Innate immunity
- Perinatal Pertaining to the period immediately before and after birth. The perinatal period is defined in diverse ways…