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).
SEM
Scanning electron microscope
Read the definitionRandom terms
Show more- Molars Molars are the large teeth at the back of the mouth.
- Bursitis, hip Inflammation of a bursa of the hip joint. A bursa is a fluid-filled sac that functions as a gliding surface…
- Acute Of abrupt onset, in reference to a disease. Acute often also connotes an illness that is of short duration…
- Common bile duct The duct that carries bile from the gallbladder and liver into the duodenum (the upper part of the small…
- Trisomy 21 syndrome A common chromosome disorder, often called Down syndrome, due to an extra chromosome number 21 (trisomy 21)…
- Macroscopic Large enough to be seen with the naked eye, as opposed to microscopic. For example, a macroscopic tumor is…
- Hypopigmented Underpigmented.
- Liposuction, tumescent The surgical suctioning of fat deposits from specific parts of the body, the most common being the abdomen…
- Reverse transcriptase-polymerase chain reaction Abbreviated RT-PCR. See: RT-PCR
- Medication, antimicrobial A drug used to treat a microbial infection. Antimicrobial is a general term that refers to a group of drugs…
- ET Street name for alpha-ethyltryptamine
- Squamous cell carcinoma Cancer that begins in squamous cells -- thin, flat cells that look under the microscope like fish scales…