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).
Semen
The fluid that is released through the penis during orgasm. Semen is made up of fluid and of sperm. The fluid comes from the prostate, seminal vesicle and other sex glands. The sperm are manufactured in the testicles. The seminal fluid…
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Show more- Spleen, ruptured Rupture of the capsule of the spleen is a potential catastrophe that requires immediate medical and surgical…
- Nephrolithiasis The process of forming a kidney stone, a stone in the kidney (or lower down in the urinary tract). Kidney…
- Zaleplon Zaleplon: Brand name: Sonata. A sedative hypnotic drug in a class closely related the benzodiazepines…
- Aldrex Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- Anesthetic A substance that causes lack of feeling or awareness. A local anesthetic causes loss of feeling in a part of…
- Microduplication The gain of a tiny piece of a chromosome, a piece so small its presence is not apparent on ordinary…
- Juvenile myelomonocytic leukemia Leukemia: Abbreviated JMML. A rare cancer of the myeloid cells in the bone marrow, accounting for less than…
- Renal vein thrombosis Blood clot in the major vein that drains blood from the kidney
- Sympathicoblastoma A surgical procedure to effect an immediate dramatic increase in the size of the pelvic outlet to permit…
- DTP Diphtheria-Tetanus-Pertussis vaccine
- Diabetes, gestational A form of diabetes mellitus that appears during pregnancy (gestation) in a woman who previously did not have…
- Scan, computerized tomography Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…