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).
Infant carbohydrate intake
Carbohydrates (glucose, lactose, sucrose, galactose, etc.) are sugars or several sugars linked together. Carbohydrates provide energy (calories) for the brain tissues, muscles, and other organs. Lactose is a carbohydrate consisting of…
Read the definitionRandom terms
Show more- Reflex A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The…
- Snowblindness A burn of the cornea (the clear front surface of the eye) by ultraviolet B rays (UVB). Also called radiation…
- Syndrome, deafness-ichthyosis-keratitis See Keratitis-ichthyosis-deafness syndrome
- Longitudinal The word come from the Latin longitudo meaning length. Hence, longitudinal means along the length, running…
- Rectum The last 6 to 8 inches of the large intestine. The rectum stores solid waste until it leaves the body through…
- Rectal bleeding Rectal bleeding: Blood passed rectally. Blood in the stool can be bright red or maroon in color. Larger…
- Adduction Movement of a limb toward the midline of the body. The opposite of adduction is abduction. An adductor muscle…
- Immunodeficiency Inability to mount a normal immune response. Immunodeficiency can be due to a genetic disease or acquired as…
- Pelvic Having to do with the pelvis, the lower part of the abdomen, located between the hip bones
- Endorphin One of the body's own painkillers, an opioid (morphine-like) chemical produced by the body that serves to…
- Locomotive system Limited to a local region. See also: Locoregional anesthesia; Locoregional metastasis.
- ALS1 See: Amyotrophic lateral sclerosis 1