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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
PA X-ray
An X-ray picture in which the beams pass from back-to-front (posteroanterior). As opposed to an AP (anteroposterior) film in which the rays pass through the body from front-to-back
Read the definitionRandom terms
Show more- Syndrome, Aase-Smith II See: Aase-Smith syndrome II
- Syncope, situational The temporary loss of consciousness in a particular kind of situation. The situations that trigger this…
- Liposuction Liposuction: The most common cosmetic operation in the U. S. with over 400,000 such surgical operations done…
- Fever Fever: Although a fever technically is any body temperature above the normal of 98.6 degrees F. (37 degrees…
- Paprika A spicy seasoning ground from a variety of sweet red pepper (Capsicum annuum), the original source of vitamin…
- Cortisone An adrenocorticoid hormone, a naturally occurring hormone made by and secreted by the adrenal cortex, the…
- Cryotherapy Cryotherapy: Literally, 'cold therapy.' Cryotherapy, sometimes referred to as cryosurgery, is a procedure…
- ACL injury See: Anterior cruciate injury
- Pagon syndrome Congenital anemia with spinocerebellar ataxia (wobbliness). The anemia is characterized by sideroblasts…
- Rod A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provides side vision…
- Infantile paralysis (polio) Infantile paralysis is an old synonym for poliomyelitis, an acute and sometimes devastating viral disease…
- Vitreous type Stickler syndrome Stickler syndrome, type I. See: Stickler syndrome