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).
Acclimatization to altitude
The main cause of altitude sickness is going too high too fast. Given time, the body can adapt to the decrease in oxygen concentration at a specific altitude, process known as acclimatization. To acclimatize, a number of changes take place…
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Show more- Urethral meatus, female The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females…
- Polyostotic fibrous dysplasia A mass of tissue that develops on the inside wall of a hollow organ, as within the colon or rectum. The word…
- Circumjacent Lying around in the sense of surrounding. Related terms include superjacent, subjacent, and adjacent. From…
- Disease, Alzheimer See: Alzheimer disease
- Visual field The entire area that can be seen when the eye is directed forward, including that which is seen with…
- Idiopathic pulmonary fibrosis Scarring throughout the lungs without an identifiable cause. See: Pulmonary fibrosis
- Pineal region tumor A brain tumor on or near the pineal gland. There are at least 17 types of pineal gland tumors, most of which…
- Anovulatory Not accompanied by ovulation, the release of an ovum (egg) from the ovary. For example, anovulatory…
- Corpora cavernosa Two chambers in the penis which run the length of the organ and are filled with spongy tissue. Blood flows in…
- Node, sinus The sinus node is one of the major elements in the cardiac conduction system, the system that controls the…
- Sprue, nontropical This condition results from an immune (allergic) reaction to gluten, a protein found in wheat and related…
- Myostatin A growth factor that regulates the size of muscles beginning in early embryonic development and continuing…