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).
Maternal
The age of the mother at the time of delivery. Advanced maternal age is usually defined as age 35 or more at delivery. Advanced maternal age predisposes to Down syndrome (trisomy 21). The risk of having a Down syndrome baby rises with…
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Show more- ENGERIX-B A vaccine against hepatitis B (hep B) to stimulate the body's immune system to produce antibodies against the…
- Tired A feeling of a lessened capacity for work and reduced efficiency of accomplishment, usually accompanied by a…
- Hashimoto thyroiditis Thyroiditis: A progressive disease of the thyroid gland characterized by the presence of antibodies directed…
- Cystocele Bulging of the bladder into the vagina. From cysto- (the bladder) + -cele (hernia) because the bladder…
- YAG laser surgery The use of a YAG (yttrium-aluminum-garnet) laser to do surgery. One use for a YAG laser in surgery is to…
- Flying with diabetes A concern for patients with diabetes is flying with medications and supplies. Letters from doctors are not…
- Lyonization The inactivation of an X chromosome. One of the two X chromosomes in every cell in a female is randomly…
- True cramp A cramp that involves part or all of a single muscle or group of muscles that usually act together such as…
- Astrocytoma A tumor that begins in the brain or spinal cord in small, star-shaped cells called astrocytes. The location…
- Audiogram A test of hearing at a range of sound frequencies.
- IgE Immunoglobulin E, a class of immunoglobulins that includes the antibodies elicited by an allergic substance…
- Adenomyosis uteri Also known more succinctly as adenomyosis (pronounced ad-den-o-mi-o- sis), this is a common benign condition…