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).
UV radiation
Ultraviolet radiation. Invisible rays that are part of the energy that comes from the sun, can burn the skin, and cause skin cancer. UV radiation is made up of three types of rays -- ultraviolet A (UVA), ultraviolet B (UVB), and…
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Show more- Medical symbol A staff or rod with a snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios)…
- Prostate A gland within the male reproductive system that is located just below the bladder. Chestnut shaped, the…
- Hair loss Hair loss: Hair loss is the thinning of hair on the scalp. The medical term for hair loss is alopecia…
- Postoperative hemorrhage Bleeding after a surgical procedure. The hemorrhage may occur immediately after the surgery or be delayed. It…
- Caesarian section, lower segment A Caesarian section in which the surgical incision is made in the lower segment of the uterus. Abbreviated…
- Depression, dysthymia A type of depression involving long-term, chronic symptoms that are not disabling, but keep a person from…
- Interleukin-4 A protein that stimulates the immune system to develop mast cells, resting T-cells, and activated B-cells…
- Chloroprene A possible carcinogen (cancer-causing agent) primarily used in the production of the elastomer…
- Deficiency, magnesium Can occur due to inadequate intake or impaired intestinal absorption of magnesium. Low magnesium…
- Guillain-Barre syndrome See: Guillain-Barré syndrome.
- LSCS Lower segment Cesarian section. A Cesarian section in which the surgical incision (cut) is made in the lower…
- Familial Parkinson disease type 8 A familial form of Parkinson disease inherited in an autosomal dominant manner due to a gene on chromosome…