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.
- 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).
Medulla
The innermost part. The adrenal medulla is the innermost part of that gland. The renal medulla is the inner part of the kidney. The spinal medulla is the part of the spinal cord that is lodged within the vertebral canal
Read the definitionRandom terms
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- Rotator cuff Rotator cuff: A group of four tendons that stabilize the shoulder joint. Each of the four tendons hooks up to…
- Trial, clinical A trial done to evaluate the effectiveness and safety of medications or medical devices by monitoring their…
- Pineocytoma An uncommon slow-growing tumor of the pineal gland. Symptoms include hydrocephalus, paralysis of upward gaze…
- Entomophobia An abnormal and persistent fear of insects. Sufferers experience anxiety even though they realize that most…
- Oculocutaneous albinism See: Albinism, oculocutaneous
- Subclinical disease An illness that stays below the surface of clinical detection. A subclinical disease has no recognizable…
- Cirrhosis Cirrhosis: An abnormal liver condition characterized by irreversible scarring of the liver. Alcohol and viral…
- Screening, newborn hearing Testing of the newborn baby's ability to hear. Newborn screening of hearing is done with automated auditory…
- Tuberculosis, genetic susceptibility to Genes that make someone susceptible to developing tuberculosis (TB) when exposed to the bacterium…
- Heat syncope Sudden dizziness, feeling faint ans sometimes fainting experienced after exercising in the heat. The skin…
- Uterine bleeding See: Menstruation. See also Menometrorrhagia; Menorrhagia; Metrorrhagia