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).
Rate, basal metabolic
A measure of the rate of metabolism. For example, someone with an overly active thyroid will have an elevated basal metabolic rate
Read the definitionRandom terms
Show more- Syndrome, Wolf-Hirschhorn See: Wolf-Hirschhorn syndrome
- USPHS (United States Public Health Service) The agency responsible for the public health of the American people. The Public Health Service (PHS)…
- Midwife A person trained to assist a woman during childbirth. Many midwives also provide prenatal care for pregnant…
- Inhibitory RNA See: RNA inactivation; and RNA interference
- Campion, Thomas (1567-1620) English physician, poet, and composer. Campion first studied law, but had little sympathy with…
- Vertebra, second cervical The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- Radiation therapy, stereotactic The use of a number of precisely aimed beams of ionizing radiation, each coming from different directions and…
- Polycythemia Too many red blood cells. The opposite of anemia. Polycythemia formally exists when the hemoglobin, red blood…
- Prolactin A hormone secreted by the pituitary gland. Prolactin stimulates lactation (milk production). It also has many…
- Chemoprevention The use of natural or laboratory-made substances to prevent a disease such as cancer. The regular use of…
- Undulatant Having a wavy border or form. Also, rising and falling like a wave. For example, the border of a wound may be…
- Optic nerve The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina, the…