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).
Infertility
Infertility: The diminished ability or the inability to conceive and have offspring. Infertility is also defined in specific terms as the failure to conceive after a year of regular intercourse without contraception. Infertility can be due…
Read the definitionRandom terms
Show more- Streptococcus haemolyticus Another name for streptococcus pyogenes
- Gland, tarsal See: Meibomian gland
- Intervening sequence Part of a gene that is initially transcribed from the DNA into the primary RNA transcript but then is excised…
- Fear of thunder An abnormal and persistent fear of thunder that causes undue anxiety even though sufferers realize that…
- Fuchs endothelial corneal dystrophy See: Corneal dystrophy, Fuchs endothelial
- Pericentric chromosome inversion A basic type of chromosome rearrangement in which a segment that includes the centromere (and so is…
- Thelarche The beginnings of breast development at puberty. Thelarche is now a normal event at an earlier age (e.g., age…
- Syndrome, MASS A heritable disorder of connective tissue characterized by involvement of the mitral valve, aorta, skeleton…
- Carbo-loading An eating routine used by some athletes that involves downing large amounts of carbohydrates several days…
- Synchronic study A study done at a single point in time rather than over the course of a period of time (longitudinally)
- Coding DNA A sequence of DNA that codes for protein. Coding DNA sequences are separated by long regions of DNA called…
- Endodermal Pertaining to the endoderm or to tissues derived from the endoderm