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).
Gland, adrenal
One of a pair of small glands, each of which sits on top of one of the kidneys. The adrenal is made up of an outer wall (the cortex) and an inner portion (the medulla). The adrenal glands produce hormones that help control the heart rate…
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Show more- Sleep paralysis A frightening form of paralysis that occurs when a person suddenly finds himself or herself unable to move…
- Syndrome, incontinentia pigmenti A genetic disease that begins soon after birth with the development of blisters on the trunk and limbs. These…
- Ancylostoma infection Hookworm, an intestinal parasite that usually causes diarrhea or cramps. Heavy infestation with hookworm can…
- Hypospadias A birth defect of the penis involving the urethra (the transport tube leading from the bladder to discharge…
- Anatomy, microscopic Known among medical students simply as 'micro', microscopic anatomy is the study of the form of normal…
- Counterpulsation A technique that synchronizes the external pumping of blood with the heart's cycle to assist the circulation…
- Coryza A cold in the head. The word 'coryza' came from the Greek 'koryza' which is thought to have been compounded…
- Perchlorate A chemical used as the primary ingredient of solid rocket propellant and in munitions beginning in the 1950s…
- CT, electron beam Also known as Ultrafast CT (computerized tomography), this is a new (and controversial) noninvasive test for…
- Fistula, anal See: Anal fistula
- Immunodepression See immunosuppression
- White spots on the nails Very small semi-circular white spots on the nails. These spots may be found on the fingernails and…