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).
Office of Human Research Protections (OHRP)
The agency responsible for developing, monitoring and exercising compliance over the protections afforded human subjects in all research supported by the US Department of Health and Human Services (DHHS). Formerly called the Office for…
Read the definitionRandom terms
Show more- Sexual sadism Individuals with sexual sadism disorder have persistent fantasies in which sexual excitement results from…
- Posterior The space in the eye behind the iris and in front of the lens. (The iris is the colored ring of tissue that…
- Dental and Craniofacial Research, National Inst. E of (NIDCR): One of the National Institutes of Health (NIH) in the U.S., the NIDCR is for dental and other…
- SIDS (sudden infant death syndrome) The sudden and unexpected death of a baby with no known illness, typically affecting sleeping infants between…
- Ophthalmic veins The orbital cavity is drained by paired veins called the superior and inferior ophthalmic veins. The superior…
- Shock, psychologic Trauma due to psychological events, as in 'shell shock' (now known as post-traumatic stress disorder)
- Myoglobin The pigment in muscle that carries oxygen.
- CD4 count, absolute See: Absolute CD4 count
- Sickness, motion Motion sickness is a very common disturbance of the inner ear that is caused by repeated motion such as from…
- Neurosyphilis, tabes Also known as tabes dorsalis, the slowly progressive degeneration of the spinal cord that occurs in the late…
- Mimesis Imitation or mimicry. Mimesis in medicine refers to the hysterical simulation of organic disease and to the…
- Jaundice, obstructive Jaundice caused by obstruction of the bile ducts, as with gallstones. Additional symptoms of obstructive…