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).
Tenesmus
Straining, especially long-continued, ineffectual and painful straining, at stool or in urination. Straining at stool is called rectal tenesmus; straining at urination is called vesical tenesmus.
Read the definitionRandom terms
Show more- Mastalgia Pain in the breast or mammary gland. From the Greek masto-, breast + algos, pain
- Typhus, Queensland tick See: Queensland tick typhus
- Nervous system, human The sum total of the tissues that record and distribute information within a person, and does so by…
- LAAM Levo-alpha acetyl methadol, an alternative to methadone that blocks the effects of opiates for up to 72 hours…
- Hygieia The science of preventive medicine and the preservation of health. From the name of Hygeia, the daughter of…
- Inhibitor, ACE See: ACE inhibitor
- Tonotopic Pertaining to the spatial arrangement of where sound is perceived, transmitted, or received. There is…
- NF1 (neurofibromatosis type 1) See: Neurofibromatosis type 1
- Syndrome, Gerstmann-Straussler-Scheinker This condition is a primary problem of platelets in which the platelets lack the ability to stick adequately…
- Phenomenon, knee See: Knee jerk
- Cerebrospinal fluid CSF. A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the…
- Asn Asparagine. See also: Amino acid symbols