isthmus is a topic covered in the Taber's Medical Dictionary.

To view the entire topic, please or purchase a subscription.

Taber’s Cyclopedic Medical Dictionary Online + App from F.A. Davis and Unbound Medicine. Find 65,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Explore these free sample topics:

Taber’s Online

-- The first section of this topic is shown below --

(is′mŭs )

[Gr. isthmos, neck (of land), isthmus]

1. A narrow passage connecting two cavities.
2. A narrow structure connecting two larger parts.
3. A constriction between two larger parts of an organ or structure.

-- To view the remaining sections of this topic, please or purchase a subscription --