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).
Regress
To return or go back, particularly to return to a pattern of behavior or level of skill characteristic of a younger age. For example, if a three-year-old child begins to regress by losing the ability to control his bowels or speak, that is…
Read the definitionRandom terms
Show more- A.c. Abbreviation on a prescription meaning before meals; from the Latin 'ante cibum', before meals. This is one…
- Hardy-Weinberg law Basic concept in population genetics discovered independently in 1908 by the great English mathematician…
- Eyes, glaucoma Glaucoma: Disease (there is more than one type) characterized by increased pressure within the eye. Glaucoma…
- Skin graft, full-thickness A graft technique in which sheets of skin containing both the epidermis and the dermis are used
- Angle-closure glaucoma This condition can be acute or chronic. It consists of increased pressure in the front chamber (anterior…
- Endocrinopathy Literally, a disease of an endocrine gland. A medical term for a hormone problem. For example…
- Agranulocytosis, infantile genetic Children born with this condition lack neutrophils (a type of white blood cell that is important in fighting…
- Colposcope A lighted magnifying instrument used by a gynecologist to examine the tissues of the vagina and the cervix…
- Prostatodynia A type of inflammation of the prostate not due to bacterial infection and in which there are no objective…
- ALOX5AP Arachidonate 5-lipoxygenase-activating protein. See: FLAP
- Tay-Sachs disease A genetic metabolic disorder caused by deficiency of the enzyme hexosaminidase A (hex-A) that results in a…
- Lice, head See: Head lice