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).
SIDDT
Sudden infant death with dysgenesis of testes. SIDDT was first identified in an Old Order Amish community in Pennsylvania. Over two generations, nine families from this community had lost 21 infants to sudden death. All infants with SIDDT…
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Show more- HS Hereditary spherocytosis. HS also stands for half-strength, hamstrings, heart sounds, heparan sulfate, hernia…
- Syndrome, WPW WPW is an abbreviation for the Wolff-Parkinson-White syndrome, a condition caused by an abnormality in the…
- Prostate, nodular hyperplasia See: Benign prostatic hyperplasia
- Palpebral conjunctiva The part of the conjunctiva, a clear membrane, that coats the inside of the eyelids. The palpebral…
- Ingrown toenail Ingrown toenail: A common disorder that occurs when the edge of the toenail grows into the skin of the toe…
- National Institute of Mental Health (NIMH) One of the National Institutes of Health in the U.S., NIMH's mission is to 'provide national leadership…
- Ventricular septal defect (VSD) Ventricular septal defect (VSD): A hole in the septum (the wall) between the lower chambers of the heart (the…
- Parthenogenesis Development of a germ cell without fertilization. This is what happens in the formation of ovarian teratomas…
- Female external genitalia The external genital organs of the female, comprising the pudendum, clitoris, and female urethra
- Aspartic acid An amino acid, one of the 20 building blocks of protein. A amino acid that is not essential to the human…
- Viruses Small living particles that can infect cells and change how the cells function. Infection with a virus can…
- Endopeptidase An enzyme that catalyzes the cleavage of peptide bonds within a polypeptide or protein. Peptidase refers to…