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).
Sputum
The mucus and other matter brought up from the lungs, bronchi, and trachea that one may cough up and spit out or swallow. The word 'sputum' is borrowed directly from the Latin 'to spit.' Called also expectoration
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Show more- Zygomycosis A dangerous infection caused by a water-borne fungus. Zygomycosis is seen most often in patients who are…
- Acetylcholinesterase An enzyme that breaks down the neurotransmitter acetylcholine at the synaptic cleft (the space between two…
- Rectocele Bulging of the front wall of the rectum into the vagina. Rectocele is due to weakening of the pelvic support…
- Carotid-artery stenosis See: Carotid stenosis
- Neuroleptic A term that refers to the effects of antipsychotic drugs on a patient, especially on his or her cognition and…
- Gallium A rare metal with the atomic weight of 69. There are several isotopic forms of gallium that differ from it in…
- Arthritis, systemic-onset chronic rheumatoid See: Arthritis, systemic-onset juvenile rheumatoid (Still's disease)
- Multi-infarct dementia Dementia brought on by a series of strokes. See Vascular dementia
- Pollex The thumb. Pollex is derived from the Latin pollere, to be strong, because in a contest of strength the thumb…
- Senility 1. Originally, old age. 2. The physical decline associated with old age. 3. The mental decline once…
- Cord, umbilical See: Umbilical cord
- Carotid body A small 'body' of tissue rich in capillaries, at the spot the carotid artery branches in the neck, containing…