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).
Osteogenesis imperfecta type 1
An inherited connective tissue disorder featuring bone fragility and blue sclerae (blue whites of the eyes). This is the classic form of 'brittle bone disease.' Osteogenesis imperfecta type 1 is an autosomal dominant trait. (One copy of…
Read the definitionRandom terms
Show more- Uterus, contraction of the The tightening and shortening of the uterine muscles. During labor, contractions accomplish two things: (1)…
- John W. Kirkland See: Kirklin, John W.
- Bones of the trunk The bones of the human trunk, 51 bones in all, consisting of 26 vertebrae, 24 ribs and the sternum. The 26…
- Somatic cell Any cell in the body other than an egg or sperm
- Vaccine, Salk Vaccine against poliomyelitis named for Dr. Jonas Salk who developed and introduced it in 1955. It was the…
- Absence of the nipple Medically called athelia, this is a rare condition but it is common in certain conditions. Athelia tends to…
- Pigmentation The coloring of the skin, hair, mucous membranes, and retina of the eye. Pigmentation is due to the…
- Colitis, pseudomembranous Severe inflammation of the inner lining of the colon due usually to the clostridium difficile (C.difficile)…
- Watermelon A fruit of African origin that is, in reality, a vegetable related to cucumbers and squash. Watermelon is 92%…
- Osteoporosis Osteoporosis: Thinning of the bones with reduction in bone mass due to depletion of calcium and bone protein…
- Brachial plexus palsy Paralysis of the arm due to an injury to the brachial plexus, a network of spinal nerves that originates in…
- Hypothalamus The area of the brain that controls body temperature, hunger, and thirst