MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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.
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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).
Psoas
Muscles of the lower back (the loin). There are two psoas muscles on each side of the back. The larger of the two is called the psoas major and the smaller the psoas minor. The psoas major originates at the spine around the bottom of the…
Read the definitionRandom terms
Show more- Sense, balance Our sense of balance is regulated by a complex interaction of the following parts of the nervous system: >…
- Span, memory The number of items, usually words or numbers, that a person can retain and recall. Memory span is a test of…
- Splicing, alternative See Alternative splicing
- Postoperative care Care given after surgery until the patient is discharged from the hospital or surgicenter and, in some cases…
- Renal syndrome with hemorrhagic fever A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- SKY (spectral karyotype) Karyotype: A visualization of all of the chromosomes in the genome all together with each chromosome labeled…
- Tailbone Popular name for the coccyx, the small bone at the bottom of the spine made up of 3-5 rudimentary vertebrae.
- Late infantile neuroaxonal dystrophy See: Hallervorden-Spatz disease
- Compression, nerve See: Nerve compression
- Sebaceous gland A normal gland of the skin which empties an oily secretion into the hair follicle near the surface of the skin
- Transient ischemic attack (TIA, Mini-Stroke) Transient ischemic attack (TIA, Mini-Stroke): A neurological event with the signs and symptoms of a stroke…
- Amebic colitis Amebic dysentery (inflammation of the intestine) with ulcers in the colon due to infection with an ameba…