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).
Rectum
The last 6 to 8 inches of the large intestine. The rectum stores solid waste until it leaves the body through the anus. The word rectum comes from the Latin rectus meaning straight (which the human rectum is not)
Read the definitionRandom terms
Show more- Cryo-electron microscopy An electron microscopic technique that involves freezing the biological sample in order to view the sample…
- Homosexuality Sexuality directed toward someone of the same sex
- Learning problem See: Learning disability
- Hearing aid An instrument to help in hearing. There are four common styles of hearing aids. From largest to smallest…
- Emergency department The department of a hospital responsible for the provision of medical and surgical care to patients arriving…
- Centrencephalic seizure See: Grand mal
- Cystic hernia See: Cystocele
- Emergency birth control See: Emergency contraception
- Chemosensory Pertaining to the sensing of chemicals, as by olfaction (the sense of smell). Diabetes and Parkinson's…
- Capitation In U.S. health services, capitation refers to a fixed 'per capita' amount that is paid to a hospital, clinic…
- Cholecystectomy Adding=0 width='100%' border=0> ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%'…
- Atypical measles syndrome (AMS) Measles syndrome (AMS): An altered expression of measles, AMS begins suddenly with high fever, headache…