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).
Mycobacterium tuberculosis
The bacterium that causes tuberculosis. M. tuberculosis has unusually waxy walls, is slow-growing and among the most recalcitrant bacteria to treatment. The complete genome sequence of M. tuberculosis was published in 1998 revealing…
Read the definitionRandom terms
Show more- Impaction, dental Teeth pressing together. For example, molar teeth (the large teeth in the back of the jaw) can be impacted…
- Pregnancy ultrasound Creating an image of the developing fetus within the uterus by means of measuring the vibrations returned…
- Prothrombin G20210A mutation See: Prothrombin mutation G20210A
- Ichthyosis simplex Excessively dry skin with scaling. Also called xeroderma. See: Xeroderma. See also: Ichthyosis vulgaris
- C4 (cervical vertebra) The fourth cervical (neck) vertebra from the top
- Skin The skin is the body's outer covering. It protects us against heat and light, injury, and infection. It…
- Cholecystitis Inflammation of the gallbladder, a complication of gallstones which are formed by cholesterol and pigment…
- Rubeola (measles) Rubeola is the ordinary measles, an acute highly contagious viral disease with fever, runny nose, cough, red…
- Orientation, anatomic terms of See Anatomic terms of orientation
- Thyroid hormone A chemical substance made by the thyroid gland for export into the bloodstream. The thyroid gland needs…
- Ephelides The plural of ephelis, a type of freckle. Ephelis and ephelides are among the many medical terms that are…
- Claustrophobia An abnormal and persistent fear of closed spaces, of being closed in or being shut in, as in elevators…