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).
Hypo-
Prefix meaning 'low, under, beneath, down, below normal' as in hypocalcemia (low calcium in the blood), hypoglycemia (low blood sugar) and hyposensitivity. The opposite of hypo- is hyper-. See also: Sub-.
Read the definitionRandom terms
Show more- Rheumatoid nodules Rheumatoid nodules are firm lumps in the skin of patients with rheumatoid arthritis that usually occur in…
- Soothing Bringing comfort, solace, reassurance, peace, composure, quietude. To soothe is to allay, balm, becalm, calm…
- Synovitis Inflammation of the synovial membrane, the lining of the joint
- Roofer's knee See prepatellar bursitis.
- Syndrome, Brown An ophthalmology (eye) problem. Brown syndrome is an abnormality that is present at birth (congenitally) and…
- Test, radionucleide stress Stress: This procedure involves injecting a radioactive isotope (typically thallium or cardiolyte) into the…
- Auditory disease, central A condition in which there is an inability to differentiate, recognize or understand sounds while both the…
- Psychoimmunology The study of the connections between the mind and the immune system. The basic concept of psychoimmunology is…
- Diabetic macular edema Edema: Swelling of the retina in diabetes mellitus due to leaking of fluid from blood vessels within the…
- C (cytosine) C stands for cytosine, a DNA nucleotide that which is one member of the base pair in DNA consisting of…
- Fascinoma Medical slang for a fascinating case, usually involving a rare disease
- Basal temperature 1) Usually, a person's temperature on awakening in the morning. As changes in basal temperature accompany…